ws1s; ex2 X: all2 X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20:( (X1 sub X2 & X2 sub X3) => X1 sub X3) & ( (X1 sub X2 & X2 sub X4) => X1 sub X4) & ( (X1 sub X2 & X2 sub X5) => X1 sub X5) & ( (X1 sub X2 & X2 sub X6) => X1 sub X6) & ( (X1 sub X2 & X2 sub X7) => X1 sub X7) & ( (X1 sub X2 & X2 sub X8) => X1 sub X8) & ( (X1 sub X2 & X2 sub X9) => X1 sub X9) & ( (X1 sub X2 & X2 sub X10) => X1 sub X10) & ( (X1 sub X2 & X2 sub X11) => X1 sub X11) & ( (X1 sub X2 & X2 sub X12) => X1 sub X12) & ( (X1 sub X2 & X2 sub X13) => X1 sub X13) & ( (X1 sub X2 & X2 sub X14) => X1 sub X14) & ( (X1 sub X2 & X2 sub X15) => X1 sub X15) & ( (X1 sub X2 & X2 sub X16) => X1 sub X16) & ( (X1 sub X2 & X2 sub X17) => X1 sub X17) & ( (X1 sub X2 & X2 sub X18) => X1 sub X18) & ( (X1 sub X2 & X2 sub X19) => X1 sub X19) & ( (X1 sub X2 & X2 sub X20) => X1 sub X20) & ( (X1 sub X3 & X3 sub X2) => X1 sub X2) & ( (X1 sub X3 & X3 sub X4) => X1 sub X4) & ( (X1 sub X3 & X3 sub X5) => X1 sub X5) & ( (X1 sub X3 & X3 sub X6) => X1 sub X6) & ( (X1 sub X3 & X3 sub X7) => X1 sub X7) & ( (X1 sub X3 & X3 sub X8) => X1 sub X8) & ( (X1 sub X3 & X3 sub X9) => X1 sub X9) & ( (X1 sub X3 & X3 sub X10) => X1 sub X10) & ( (X1 sub X3 & X3 sub X11) => X1 sub X11) & ( (X1 sub X3 & X3 sub X12) => X1 sub X12) & ( (X1 sub X3 & X3 sub X13) => X1 sub X13) & ( (X1 sub X3 & X3 sub X14) => X1 sub X14) & ( (X1 sub X3 & X3 sub X15) => X1 sub X15) & ( (X1 sub X3 & X3 sub X16) => X1 sub X16) & ( (X1 sub X3 & X3 sub X17) => X1 sub X17) & ( (X1 sub X3 & X3 sub X18) => X1 sub X18) & ( (X1 sub X3 & X3 sub X19) => X1 sub X19) & ( (X1 sub X3 & X3 sub X20) => X1 sub X20) & ( (X1 sub X4 & X4 sub X2) => X1 sub X2) & ( (X1 sub X4 & X4 sub X3) => X1 sub X3) & ( (X1 sub X4 & X4 sub X5) => X1 sub X5) & ( (X1 sub X4 & X4 sub X6) => X1 sub X6) & ( (X1 sub X4 & X4 sub X7) => X1 sub X7) & ( (X1 sub X4 & X4 sub X8) => X1 sub X8) & ( (X1 sub X4 & X4 sub X9) => X1 sub X9) & ( (X1 sub X4 & X4 sub X10) => X1 sub X10) & ( (X1 sub X4 & X4 sub X11) => X1 sub X11) & ( (X1 sub X4 & X4 sub X12) => X1 sub X12) & ( (X1 sub X4 & X4 sub X13) => X1 sub X13) & ( (X1 sub X4 & X4 sub X14) => X1 sub X14) & ( (X1 sub X4 & X4 sub X15) => X1 sub X15) & ( (X1 sub X4 & X4 sub X16) => X1 sub X16) & ( (X1 sub X4 & X4 sub X17) => X1 sub X17) & ( (X1 sub X4 & X4 sub X18) => X1 sub X18) & ( (X1 sub X4 & X4 sub X19) => X1 sub X19) & ( (X1 sub X4 & X4 sub X20) => X1 sub X20) & ( (X1 sub X5 & X5 sub X2) => X1 sub X2) & ( (X1 sub X5 & X5 sub X3) => X1 sub X3) & ( (X1 sub X5 & X5 sub X4) => X1 sub X4) & ( (X1 sub X5 & X5 sub X6) => X1 sub X6) & ( (X1 sub X5 & X5 sub X7) => X1 sub X7) & ( (X1 sub X5 & X5 sub X8) => X1 sub X8) & ( (X1 sub X5 & X5 sub X9) => X1 sub X9) & ( (X1 sub X5 & X5 sub X10) => X1 sub X10) & ( (X1 sub X5 & X5 sub X11) => X1 sub X11) & ( (X1 sub X5 & X5 sub X12) => X1 sub X12) & ( (X1 sub X5 & X5 sub X13) => X1 sub X13) & ( (X1 sub X5 & X5 sub X14) => X1 sub X14) & ( (X1 sub X5 & X5 sub X15) => X1 sub X15) & ( (X1 sub X5 & X5 sub X16) => X1 sub X16) & ( (X1 sub X5 & X5 sub X17) => X1 sub X17) & ( (X1 sub X5 & X5 sub X18) => X1 sub X18) & ( (X1 sub X5 & X5 sub X19) => X1 sub X19) & ( (X1 sub X5 & X5 sub X20) => X1 sub X20) & ( (X1 sub X6 & X6 sub X2) => X1 sub X2) & ( (X1 sub X6 & X6 sub X3) => X1 sub X3) & ( (X1 sub X6 & X6 sub X4) => X1 sub X4) & ( (X1 sub X6 & X6 sub X5) => X1 sub X5) & ( (X1 sub X6 & X6 sub X7) => X1 sub X7) & ( (X1 sub X6 & X6 sub X8) => X1 sub X8) & ( (X1 sub X6 & X6 sub X9) => X1 sub X9) & ( (X1 sub X6 & X6 sub X10) => X1 sub X10) & ( (X1 sub X6 & X6 sub X11) => X1 sub X11) & ( (X1 sub X6 & X6 sub X12) => X1 sub X12) & ( (X1 sub X6 & X6 sub X13) => X1 sub X13) & ( (X1 sub X6 & X6 sub X14) => X1 sub X14) & ( (X1 sub X6 & X6 sub X15) => X1 sub X15) & ( (X1 sub X6 & X6 sub X16) => X1 sub X16) & ( (X1 sub X6 & X6 sub X17) => X1 sub X17) & ( (X1 sub X6 & X6 sub X18) => X1 sub X18) & ( (X1 sub X6 & X6 sub X19) => X1 sub X19) & ( (X1 sub X6 & X6 sub X20) => X1 sub X20) & ( (X1 sub X7 & X7 sub X2) => X1 sub X2) & ( (X1 sub X7 & X7 sub X3) => X1 sub X3) & ( (X1 sub X7 & X7 sub X4) => X1 sub X4) & ( (X1 sub X7 & X7 sub X5) => X1 sub X5) & ( (X1 sub X7 & X7 sub X6) => X1 sub X6) & ( (X1 sub X7 & X7 sub X8) => X1 sub X8) & ( (X1 sub X7 & X7 sub X9) => X1 sub X9) & ( (X1 sub X7 & X7 sub X10) => X1 sub X10) & ( (X1 sub X7 & X7 sub X11) => X1 sub X11) & ( (X1 sub X7 & X7 sub X12) => X1 sub X12) & ( (X1 sub X7 & X7 sub X13) => X1 sub X13) & ( (X1 sub X7 & X7 sub X14) => X1 sub X14) & ( (X1 sub X7 & X7 sub X15) => X1 sub X15) & ( (X1 sub X7 & X7 sub X16) => X1 sub X16) & ( (X1 sub X7 & X7 sub X17) => X1 sub X17) & ( (X1 sub X7 & X7 sub X18) => X1 sub X18) & ( (X1 sub X7 & X7 sub X19) => X1 sub X19) & ( (X1 sub X7 & X7 sub X20) => X1 sub X20) & ( (X1 sub X8 & X8 sub X2) => X1 sub X2) & ( (X1 sub X8 & X8 sub X3) => X1 sub X3) & ( (X1 sub X8 & X8 sub X4) => X1 sub X4) & ( (X1 sub X8 & X8 sub X5) => X1 sub X5) & ( (X1 sub X8 & X8 sub X6) => X1 sub X6) & ( (X1 sub X8 & X8 sub X7) => X1 sub X7) & ( (X1 sub X8 & X8 sub X9) => X1 sub X9) & ( (X1 sub X8 & X8 sub X10) => X1 sub X10) & ( (X1 sub X8 & X8 sub X11) => X1 sub X11) & ( (X1 sub X8 & X8 sub X12) => X1 sub X12) & ( (X1 sub X8 & X8 sub X13) => X1 sub X13) & ( (X1 sub X8 & X8 sub X14) => X1 sub X14) & ( (X1 sub X8 & X8 sub X15) => X1 sub X15) & ( (X1 sub X8 & X8 sub X16) => X1 sub X16) & ( (X1 sub X8 & X8 sub X17) => X1 sub X17) & ( (X1 sub X8 & X8 sub X18) => X1 sub X18) & ( (X1 sub X8 & X8 sub X19) => X1 sub X19) & ( (X1 sub X8 & X8 sub X20) => X1 sub X20) & ( (X1 sub X9 & X9 sub X2) => X1 sub X2) & ( (X1 sub X9 & X9 sub X3) => X1 sub X3) & ( (X1 sub X9 & X9 sub X4) => X1 sub X4) & ( (X1 sub X9 & X9 sub X5) => X1 sub X5) & ( (X1 sub X9 & X9 sub X6) => X1 sub X6) & ( (X1 sub X9 & X9 sub X7) => X1 sub X7) & ( (X1 sub X9 & X9 sub X8) => X1 sub X8) & ( (X1 sub X9 & X9 sub X10) => X1 sub X10) & ( (X1 sub X9 & X9 sub X11) => X1 sub X11) & ( (X1 sub X9 & X9 sub X12) => X1 sub X12) & ( (X1 sub X9 & X9 sub X13) => X1 sub X13) & ( (X1 sub X9 & X9 sub X14) => X1 sub X14) & ( (X1 sub X9 & X9 sub X15) => X1 sub X15) & ( (X1 sub X9 & X9 sub X16) => X1 sub X16) & ( (X1 sub X9 & X9 sub X17) => X1 sub X17) & ( (X1 sub X9 & X9 sub X18) => X1 sub X18) & ( (X1 sub X9 & X9 sub X19) => X1 sub X19) & ( (X1 sub X9 & X9 sub X20) => X1 sub X20) & ( (X1 sub X10 & X10 sub X2) => X1 sub X2) & ( (X1 sub X10 & X10 sub X3) => X1 sub X3) & ( (X1 sub X10 & X10 sub X4) => X1 sub X4) & ( (X1 sub X10 & X10 sub X5) => X1 sub X5) & ( (X1 sub X10 & X10 sub X6) => X1 sub X6) & ( (X1 sub X10 & X10 sub X7) => X1 sub X7) & ( (X1 sub X10 & X10 sub X8) => X1 sub X8) & ( (X1 sub X10 & X10 sub X9) => X1 sub X9) & ( (X1 sub X10 & X10 sub X11) => X1 sub X11) & ( (X1 sub X10 & X10 sub X12) => X1 sub X12) & ( (X1 sub X10 & X10 sub X13) => X1 sub X13) & ( (X1 sub X10 & X10 sub X14) => X1 sub X14) & ( (X1 sub X10 & X10 sub X15) => X1 sub X15) & ( (X1 sub X10 & X10 sub X16) => X1 sub X16) & ( (X1 sub X10 & X10 sub X17) => X1 sub X17) & ( (X1 sub X10 & X10 sub X18) => X1 sub X18) & ( (X1 sub X10 & X10 sub X19) => X1 sub X19) & ( (X1 sub X10 & X10 sub X20) => X1 sub X20) & ( (X1 sub X11 & X11 sub X2) => X1 sub X2) & ( (X1 sub X11 & X11 sub X3) => X1 sub X3) & ( (X1 sub X11 & X11 sub X4) => X1 sub X4) & ( (X1 sub X11 & X11 sub X5) => X1 sub X5) & ( (X1 sub X11 & X11 sub X6) => X1 sub X6) & ( (X1 sub X11 & X11 sub X7) => X1 sub X7) & ( (X1 sub X11 & X11 sub X8) => X1 sub X8) & ( (X1 sub X11 & X11 sub X9) => X1 sub X9) & ( (X1 sub X11 & X11 sub X10) => X1 sub X10) & ( (X1 sub X11 & X11 sub X12) => X1 sub X12) & ( (X1 sub X11 & X11 sub X13) => X1 sub X13) & ( (X1 sub X11 & X11 sub X14) => X1 sub X14) & ( (X1 sub X11 & X11 sub X15) => X1 sub X15) & ( (X1 sub X11 & X11 sub X16) => X1 sub X16) & ( (X1 sub X11 & X11 sub X17) => X1 sub X17) & ( (X1 sub X11 & X11 sub X18) => X1 sub X18) & ( (X1 sub X11 & X11 sub X19) => X1 sub X19) & ( (X1 sub X11 & X11 sub X20) => X1 sub X20) & ( (X1 sub X12 & X12 sub X2) => X1 sub X2) & ( (X1 sub X12 & X12 sub X3) => X1 sub X3) & ( (X1 sub X12 & X12 sub X4) => X1 sub X4) & ( (X1 sub X12 & X12 sub X5) => X1 sub X5) & ( (X1 sub X12 & X12 sub X6) => X1 sub X6) & ( (X1 sub X12 & X12 sub X7) => X1 sub X7) & ( (X1 sub X12 & X12 sub X8) => X1 sub X8) & ( (X1 sub X12 & X12 sub X9) => X1 sub X9) & ( (X1 sub X12 & X12 sub X10) => X1 sub X10) & ( (X1 sub X12 & X12 sub X11) => X1 sub X11) & ( (X1 sub X12 & X12 sub X13) => X1 sub X13) & ( (X1 sub X12 & X12 sub X14) => X1 sub X14) & ( (X1 sub X12 & X12 sub X15) => X1 sub X15) & ( (X1 sub X12 & X12 sub X16) => X1 sub X16) & ( (X1 sub X12 & X12 sub X17) => X1 sub X17) & ( (X1 sub X12 & X12 sub X18) => X1 sub X18) & ( (X1 sub X12 & X12 sub X19) => X1 sub X19) & ( (X1 sub X12 & X12 sub X20) => X1 sub X20) & ( (X1 sub X13 & X13 sub X2) => X1 sub X2) & ( (X1 sub X13 & X13 sub X3) => X1 sub X3) & ( (X1 sub X13 & X13 sub X4) => X1 sub X4) & ( (X1 sub X13 & X13 sub X5) => X1 sub X5) & ( (X1 sub X13 & X13 sub X6) => X1 sub X6) & ( (X1 sub X13 & X13 sub X7) => X1 sub X7) & ( (X1 sub X13 & X13 sub X8) => X1 sub X8) & ( (X1 sub X13 & X13 sub X9) => X1 sub X9) & ( (X1 sub X13 & X13 sub X10) => X1 sub X10) & ( (X1 sub X13 & X13 sub X11) => X1 sub X11) & ( (X1 sub X13 & X13 sub X12) => X1 sub X12) & ( (X1 sub X13 & X13 sub X14) => X1 sub X14) & ( (X1 sub X13 & X13 sub X15) => X1 sub X15) & ( (X1 sub X13 & X13 sub X16) => X1 sub X16) & ( (X1 sub X13 & X13 sub X17) => X1 sub X17) & ( (X1 sub X13 & X13 sub X18) => X1 sub X18) & ( (X1 sub X13 & X13 sub X19) => X1 sub X19) & ( (X1 sub X13 & X13 sub X20) => X1 sub X20) & ( (X1 sub X14 & X14 sub X2) => X1 sub X2) & ( (X1 sub X14 & X14 sub X3) => X1 sub X3) & ( (X1 sub X14 & X14 sub X4) => X1 sub X4) & ( (X1 sub X14 & X14 sub X5) => X1 sub X5) & ( (X1 sub X14 & X14 sub X6) => X1 sub X6) & ( (X1 sub X14 & X14 sub X7) => X1 sub X7) & ( (X1 sub X14 & X14 sub X8) => X1 sub X8) & ( (X1 sub X14 & X14 sub X9) => X1 sub X9) & ( (X1 sub X14 & X14 sub X10) => X1 sub X10) & ( (X1 sub X14 & X14 sub X11) => X1 sub X11) & ( (X1 sub X14 & X14 sub X12) => X1 sub X12) & ( (X1 sub X14 & X14 sub X13) => X1 sub X13) & ( (X1 sub X14 & X14 sub X15) => X1 sub X15) & ( (X1 sub X14 & X14 sub X16) => X1 sub X16) & ( (X1 sub X14 & X14 sub X17) => X1 sub X17) & ( (X1 sub X14 & X14 sub X18) => X1 sub X18) & ( (X1 sub X14 & X14 sub X19) => X1 sub X19) & ( (X1 sub X14 & X14 sub X20) => X1 sub X20) & ( (X1 sub X15 & X15 sub X2) => X1 sub X2) & ( (X1 sub X15 & X15 sub X3) => X1 sub X3) & ( (X1 sub X15 & X15 sub X4) => X1 sub X4) & ( (X1 sub X15 & X15 sub X5) => X1 sub X5) & ( (X1 sub X15 & X15 sub X6) => X1 sub X6) & ( (X1 sub X15 & X15 sub X7) => X1 sub X7) & ( (X1 sub X15 & X15 sub X8) => X1 sub X8) & ( (X1 sub X15 & X15 sub X9) => X1 sub X9) & ( (X1 sub X15 & X15 sub X10) => X1 sub X10) & ( (X1 sub X15 & X15 sub X11) => X1 sub X11) & ( (X1 sub X15 & X15 sub X12) => X1 sub X12) & ( (X1 sub X15 & X15 sub X13) => X1 sub X13) & ( (X1 sub X15 & X15 sub X14) => X1 sub X14) & ( (X1 sub X15 & X15 sub X16) => X1 sub X16) & ( (X1 sub X15 & X15 sub X17) => X1 sub X17) & ( (X1 sub X15 & X15 sub X18) => X1 sub X18) & ( (X1 sub X15 & X15 sub X19) => X1 sub X19) & ( (X1 sub X15 & X15 sub X20) => X1 sub X20) & ( (X1 sub X16 & X16 sub X2) => X1 sub X2) & ( (X1 sub X16 & X16 sub X3) => X1 sub X3) & ( (X1 sub X16 & X16 sub X4) => X1 sub X4) & ( (X1 sub X16 & X16 sub X5) => X1 sub X5) & ( (X1 sub X16 & X16 sub X6) => X1 sub X6) & ( (X1 sub X16 & X16 sub X7) => X1 sub X7) & ( (X1 sub X16 & X16 sub X8) => X1 sub X8) & ( (X1 sub X16 & X16 sub X9) => X1 sub X9) & ( (X1 sub X16 & X16 sub X10) => X1 sub X10) & ( (X1 sub X16 & X16 sub X11) => X1 sub X11) & ( (X1 sub X16 & X16 sub X12) => X1 sub X12) & ( (X1 sub X16 & X16 sub X13) => X1 sub X13) & ( (X1 sub X16 & X16 sub X14) => X1 sub X14) & ( (X1 sub X16 & X16 sub X15) => X1 sub X15) & ( (X1 sub X16 & X16 sub X17) => X1 sub X17) & ( (X1 sub X16 & X16 sub X18) => X1 sub X18) & ( (X1 sub X16 & X16 sub X19) => X1 sub X19) & ( (X1 sub X16 & X16 sub X20) => X1 sub X20) & ( (X1 sub X17 & X17 sub X2) => X1 sub X2) & ( (X1 sub X17 & X17 sub X3) => X1 sub X3) & ( (X1 sub X17 & X17 sub X4) => X1 sub X4) & ( (X1 sub X17 & X17 sub X5) => X1 sub X5) & ( (X1 sub X17 & X17 sub X6) => X1 sub X6) & ( (X1 sub X17 & X17 sub X7) => X1 sub X7) & ( (X1 sub X17 & X17 sub X8) => X1 sub X8) & ( (X1 sub X17 & X17 sub X9) => X1 sub X9) & ( (X1 sub X17 & X17 sub X10) => X1 sub X10) & ( (X1 sub X17 & X17 sub X11) => X1 sub X11) & ( (X1 sub X17 & X17 sub X12) => X1 sub X12) & ( (X1 sub X17 & X17 sub X13) => X1 sub X13) & ( (X1 sub X17 & X17 sub X14) => X1 sub X14) & ( (X1 sub X17 & X17 sub X15) => X1 sub X15) & ( (X1 sub X17 & X17 sub X16) => X1 sub X16) & ( (X1 sub X17 & X17 sub X18) => X1 sub X18) & ( (X1 sub X17 & X17 sub X19) => X1 sub X19) & ( (X1 sub X17 & X17 sub X20) => X1 sub X20) & ( (X1 sub X18 & X18 sub X2) => X1 sub X2) & ( (X1 sub X18 & X18 sub X3) => X1 sub X3) & ( (X1 sub X18 & X18 sub X4) => X1 sub X4) & ( (X1 sub X18 & X18 sub X5) => X1 sub X5) & ( (X1 sub X18 & X18 sub X6) => X1 sub X6) & ( (X1 sub X18 & X18 sub X7) => X1 sub X7) & ( (X1 sub X18 & X18 sub X8) => X1 sub X8) & ( (X1 sub X18 & X18 sub X9) => X1 sub X9) & ( (X1 sub X18 & X18 sub X10) => X1 sub X10) & ( (X1 sub X18 & X18 sub X11) => X1 sub X11) & ( (X1 sub X18 & X18 sub X12) => X1 sub X12) & ( (X1 sub X18 & X18 sub X13) => X1 sub X13) & ( (X1 sub X18 & X18 sub X14) => X1 sub X14) & ( (X1 sub X18 & X18 sub X15) => X1 sub X15) & ( (X1 sub X18 & X18 sub X16) => X1 sub X16) & ( (X1 sub X18 & X18 sub X17) => X1 sub X17) & ( (X1 sub X18 & X18 sub X19) => X1 sub X19) & ( (X1 sub X18 & X18 sub X20) => X1 sub X20) & ( (X1 sub X19 & X19 sub X2) => X1 sub X2) & ( (X1 sub X19 & X19 sub X3) => X1 sub X3) & ( (X1 sub X19 & X19 sub X4) => X1 sub X4) & ( (X1 sub X19 & X19 sub X5) => X1 sub X5) & ( (X1 sub X19 & X19 sub X6) => X1 sub X6) & ( (X1 sub X19 & X19 sub X7) => X1 sub X7) & ( (X1 sub X19 & X19 sub X8) => X1 sub X8) & ( (X1 sub X19 & X19 sub X9) => X1 sub X9) & ( (X1 sub X19 & X19 sub X10) => X1 sub X10) & ( (X1 sub X19 & X19 sub X11) => X1 sub X11) & ( (X1 sub X19 & X19 sub X12) => X1 sub X12) & ( (X1 sub X19 & X19 sub X13) => X1 sub X13) & ( (X1 sub X19 & X19 sub X14) => X1 sub X14) & ( (X1 sub X19 & X19 sub X15) => X1 sub X15) & ( (X1 sub X19 & X19 sub X16) => X1 sub X16) & ( (X1 sub X19 & X19 sub X17) => X1 sub X17) & ( (X1 sub X19 & X19 sub X18) => X1 sub X18) & ( (X1 sub X19 & X19 sub X20) => X1 sub X20) & ( (X1 sub X20 & X20 sub X2) => X1 sub X2) & ( (X1 sub X20 & X20 sub X3) => X1 sub X3) & ( (X1 sub X20 & X20 sub X4) => X1 sub X4) & ( (X1 sub X20 & X20 sub X5) => X1 sub X5) & ( (X1 sub X20 & X20 sub X6) => X1 sub X6) & ( (X1 sub X20 & X20 sub X7) => X1 sub X7) & ( (X1 sub X20 & X20 sub X8) => X1 sub X8) & ( (X1 sub X20 & X20 sub X9) => X1 sub X9) & ( (X1 sub X20 & X20 sub X10) => X1 sub X10) & ( (X1 sub X20 & X20 sub X11) => X1 sub X11) & ( (X1 sub X20 & X20 sub X12) => X1 sub X12) & ( (X1 sub X20 & X20 sub X13) => X1 sub X13) & ( (X1 sub X20 & X20 sub X14) => X1 sub X14) & ( (X1 sub X20 & X20 sub X15) => X1 sub X15) & ( (X1 sub X20 & X20 sub X16) => X1 sub X16) & ( (X1 sub X20 & X20 sub X17) => X1 sub X17) & ( (X1 sub X20 & X20 sub X18) => X1 sub X18) & ( (X1 sub X20 & X20 sub X19) => X1 sub X19) & ( (X2 sub X1 & X1 sub X3) => X2 sub X3) & ( (X2 sub X1 & X1 sub X4) => X2 sub X4) & ( (X2 sub X1 & X1 sub X5) => X2 sub X5) & ( (X2 sub X1 & X1 sub X6) => X2 sub X6) & ( (X2 sub X1 & X1 sub X7) => X2 sub X7) & ( (X2 sub X1 & X1 sub X8) => X2 sub X8) & ( (X2 sub X1 & X1 sub X9) => X2 sub X9) & ( (X2 sub X1 & X1 sub X10) => X2 sub X10) & ( (X2 sub X1 & X1 sub X11) => X2 sub X11) & ( (X2 sub X1 & X1 sub X12) => X2 sub X12) & ( (X2 sub X1 & X1 sub X13) => X2 sub X13) & ( (X2 sub X1 & X1 sub X14) => X2 sub X14) & ( (X2 sub X1 & X1 sub X15) => X2 sub X15) & ( (X2 sub X1 & X1 sub X16) => X2 sub X16) & ( (X2 sub X1 & X1 sub X17) => X2 sub X17) & ( (X2 sub X1 & X1 sub X18) => X2 sub X18) & ( (X2 sub X1 & X1 sub X19) => X2 sub X19) & ( (X2 sub X1 & X1 sub X20) => X2 sub X20) & ( (X2 sub X3 & X3 sub X1) => X2 sub X1) & ( (X2 sub X3 & X3 sub X4) => X2 sub X4) & ( (X2 sub X3 & X3 sub X5) => X2 sub X5) & ( (X2 sub X3 & X3 sub X6) => X2 sub X6) & ( (X2 sub X3 & X3 sub X7) => X2 sub X7) & ( (X2 sub X3 & X3 sub X8) => X2 sub X8) & ( (X2 sub X3 & X3 sub X9) => X2 sub X9) & ( (X2 sub X3 & X3 sub X10) => X2 sub X10) & ( (X2 sub X3 & X3 sub X11) => X2 sub X11) & ( (X2 sub X3 & X3 sub X12) => X2 sub X12) & ( (X2 sub X3 & X3 sub X13) => X2 sub X13) & ( (X2 sub X3 & X3 sub X14) => X2 sub X14) & ( (X2 sub X3 & X3 sub X15) => X2 sub X15) & ( (X2 sub X3 & X3 sub X16) => X2 sub X16) & ( (X2 sub X3 & X3 sub X17) => X2 sub X17) & ( (X2 sub X3 & X3 sub X18) => X2 sub X18) & ( (X2 sub X3 & X3 sub X19) => X2 sub X19) & ( (X2 sub X3 & X3 sub X20) => X2 sub X20) & ( (X2 sub X4 & X4 sub X1) => X2 sub X1) & ( (X2 sub X4 & X4 sub X3) => X2 sub X3) & ( (X2 sub X4 & X4 sub X5) => X2 sub X5) & ( (X2 sub X4 & X4 sub X6) => X2 sub X6) & ( (X2 sub X4 & X4 sub X7) => X2 sub X7) & ( (X2 sub X4 & X4 sub X8) => X2 sub X8) & ( (X2 sub X4 & X4 sub X9) => X2 sub X9) & ( (X2 sub X4 & X4 sub X10) => X2 sub X10) & ( (X2 sub X4 & X4 sub X11) => X2 sub X11) & ( (X2 sub X4 & X4 sub X12) => X2 sub X12) & ( (X2 sub X4 & X4 sub X13) => X2 sub X13) & ( (X2 sub X4 & X4 sub X14) => X2 sub X14) & ( (X2 sub X4 & X4 sub X15) => X2 sub X15) & ( (X2 sub X4 & X4 sub X16) => X2 sub X16) & ( (X2 sub X4 & X4 sub X17) => X2 sub X17) & ( (X2 sub X4 & X4 sub X18) => X2 sub X18) & ( (X2 sub X4 & X4 sub X19) => X2 sub X19) & ( (X2 sub X4 & X4 sub X20) => X2 sub X20) & ( (X2 sub X5 & X5 sub X1) => X2 sub X1) & ( (X2 sub X5 & X5 sub X3) => X2 sub X3) & ( (X2 sub X5 & X5 sub X4) => X2 sub X4) & ( (X2 sub X5 & X5 sub X6) => X2 sub X6) & ( (X2 sub X5 & X5 sub X7) => X2 sub X7) & ( (X2 sub X5 & X5 sub X8) => X2 sub X8) & ( (X2 sub X5 & X5 sub X9) => X2 sub X9) & ( (X2 sub X5 & X5 sub X10) => X2 sub X10) & ( (X2 sub X5 & X5 sub X11) => X2 sub X11) & ( (X2 sub X5 & X5 sub X12) => X2 sub X12) & ( (X2 sub X5 & X5 sub X13) => X2 sub X13) & ( (X2 sub X5 & X5 sub X14) => X2 sub X14) & ( (X2 sub X5 & X5 sub X15) => X2 sub X15) & ( (X2 sub X5 & X5 sub X16) => X2 sub X16) & ( (X2 sub X5 & X5 sub X17) => X2 sub X17) & ( (X2 sub X5 & X5 sub X18) => X2 sub X18) & ( (X2 sub X5 & X5 sub X19) => X2 sub X19) & ( (X2 sub X5 & X5 sub X20) => X2 sub X20) & ( (X2 sub X6 & X6 sub X1) => X2 sub X1) & ( (X2 sub X6 & X6 sub X3) => X2 sub X3) & ( (X2 sub X6 & X6 sub X4) => X2 sub X4) & ( (X2 sub X6 & X6 sub X5) => X2 sub X5) & ( (X2 sub X6 & X6 sub X7) => X2 sub X7) & ( (X2 sub X6 & X6 sub X8) => X2 sub X8) & ( (X2 sub X6 & X6 sub X9) => X2 sub X9) & ( (X2 sub X6 & X6 sub X10) => X2 sub X10) & ( (X2 sub X6 & X6 sub X11) => X2 sub X11) & ( (X2 sub X6 & X6 sub X12) => X2 sub X12) & ( (X2 sub X6 & X6 sub X13) => X2 sub X13) & ( (X2 sub X6 & X6 sub X14) => X2 sub X14) & ( (X2 sub X6 & X6 sub X15) => X2 sub X15) & ( (X2 sub X6 & X6 sub X16) => X2 sub X16) & ( (X2 sub X6 & X6 sub X17) => X2 sub X17) & ( (X2 sub X6 & X6 sub X18) => X2 sub X18) & ( (X2 sub X6 & X6 sub X19) => X2 sub X19) & ( (X2 sub X6 & X6 sub X20) => X2 sub X20) & ( (X2 sub X7 & X7 sub X1) => X2 sub X1) & ( (X2 sub X7 & X7 sub X3) => X2 sub X3) & ( (X2 sub X7 & X7 sub X4) => X2 sub X4) & ( (X2 sub X7 & X7 sub X5) => X2 sub X5) & ( (X2 sub X7 & X7 sub X6) => X2 sub X6) & ( (X2 sub X7 & X7 sub X8) => X2 sub X8) & ( (X2 sub X7 & X7 sub X9) => X2 sub X9) & ( (X2 sub X7 & X7 sub X10) => X2 sub X10) & ( (X2 sub X7 & X7 sub X11) => X2 sub X11) & ( (X2 sub X7 & X7 sub X12) => X2 sub X12) & ( (X2 sub X7 & X7 sub X13) => X2 sub X13) & ( (X2 sub X7 & X7 sub X14) => X2 sub X14) & ( (X2 sub X7 & X7 sub X15) => X2 sub X15) & ( (X2 sub X7 & X7 sub X16) => X2 sub X16) & ( (X2 sub X7 & X7 sub X17) => X2 sub X17) & ( (X2 sub X7 & X7 sub X18) => X2 sub X18) & ( (X2 sub X7 & X7 sub X19) => X2 sub X19) & ( (X2 sub X7 & X7 sub X20) => X2 sub X20) & ( (X2 sub X8 & X8 sub X1) => X2 sub X1) & ( (X2 sub X8 & X8 sub X3) => X2 sub X3) & ( (X2 sub X8 & X8 sub X4) => X2 sub X4) & ( (X2 sub X8 & X8 sub X5) => X2 sub X5) & ( (X2 sub X8 & X8 sub X6) => X2 sub X6) & ( (X2 sub X8 & X8 sub X7) => X2 sub X7) & ( (X2 sub X8 & X8 sub X9) => X2 sub X9) & ( (X2 sub X8 & X8 sub X10) => X2 sub X10) & ( (X2 sub X8 & X8 sub X11) => X2 sub X11) & ( (X2 sub X8 & X8 sub X12) => X2 sub X12) & ( (X2 sub X8 & X8 sub X13) => X2 sub X13) & ( (X2 sub X8 & X8 sub X14) => X2 sub X14) & ( (X2 sub X8 & X8 sub X15) => X2 sub X15) & ( (X2 sub X8 & X8 sub X16) => X2 sub X16) & ( (X2 sub X8 & X8 sub X17) => X2 sub X17) & ( (X2 sub X8 & X8 sub X18) => X2 sub X18) & ( (X2 sub X8 & X8 sub X19) => X2 sub X19) & ( (X2 sub X8 & X8 sub X20) => X2 sub X20) & ( (X2 sub X9 & X9 sub X1) => X2 sub X1) & ( (X2 sub X9 & X9 sub X3) => X2 sub X3) & ( (X2 sub X9 & X9 sub X4) => X2 sub X4) & ( (X2 sub X9 & X9 sub X5) => X2 sub X5) & ( (X2 sub X9 & X9 sub X6) => X2 sub X6) & ( (X2 sub X9 & X9 sub X7) => X2 sub X7) & ( (X2 sub X9 & X9 sub X8) => X2 sub X8) & ( (X2 sub X9 & X9 sub X10) => X2 sub X10) & ( (X2 sub X9 & X9 sub X11) => X2 sub X11) & ( (X2 sub X9 & X9 sub X12) => X2 sub X12) & ( (X2 sub X9 & X9 sub X13) => X2 sub X13) & ( (X2 sub X9 & X9 sub X14) => X2 sub X14) & ( (X2 sub X9 & X9 sub X15) => X2 sub X15) & ( (X2 sub X9 & X9 sub X16) => X2 sub X16) & ( (X2 sub X9 & X9 sub X17) => X2 sub X17) & ( (X2 sub X9 & X9 sub X18) => X2 sub X18) & ( (X2 sub X9 & X9 sub X19) => X2 sub X19) & ( (X2 sub X9 & X9 sub X20) => X2 sub X20) & ( (X2 sub X10 & X10 sub X1) => X2 sub X1) & ( (X2 sub X10 & X10 sub X3) => X2 sub X3) & ( (X2 sub X10 & X10 sub X4) => X2 sub X4) & ( (X2 sub X10 & X10 sub X5) => X2 sub X5) & ( (X2 sub X10 & X10 sub X6) => X2 sub X6) & ( (X2 sub X10 & X10 sub X7) => X2 sub X7) & ( (X2 sub X10 & X10 sub X8) => X2 sub X8) & ( (X2 sub X10 & X10 sub X9) => X2 sub X9) & ( (X2 sub X10 & X10 sub X11) => X2 sub X11) & ( (X2 sub X10 & X10 sub X12) => X2 sub X12) & ( (X2 sub X10 & X10 sub X13) => X2 sub X13) & ( (X2 sub X10 & X10 sub X14) => X2 sub X14) & ( (X2 sub X10 & X10 sub X15) => X2 sub X15) & ( (X2 sub X10 & X10 sub X16) => X2 sub X16) & ( (X2 sub X10 & X10 sub X17) => X2 sub X17) & ( (X2 sub X10 & X10 sub X18) => X2 sub X18) & ( (X2 sub X10 & X10 sub X19) => X2 sub X19) & ( (X2 sub X10 & X10 sub X20) => X2 sub X20) & ( (X2 sub X11 & X11 sub X1) => X2 sub X1) & ( (X2 sub X11 & X11 sub X3) => X2 sub X3) & ( (X2 sub X11 & X11 sub X4) => X2 sub X4) & ( (X2 sub X11 & X11 sub X5) => X2 sub X5) & ( (X2 sub X11 & X11 sub X6) => X2 sub X6) & ( (X2 sub X11 & X11 sub X7) => X2 sub X7) & ( (X2 sub X11 & X11 sub X8) => X2 sub X8) & ( (X2 sub X11 & X11 sub X9) => X2 sub X9) & ( (X2 sub X11 & X11 sub X10) => X2 sub X10) & ( (X2 sub X11 & X11 sub X12) => X2 sub X12) & ( (X2 sub X11 & X11 sub X13) => X2 sub X13) & ( (X2 sub X11 & X11 sub X14) => X2 sub X14) & ( (X2 sub X11 & X11 sub X15) => X2 sub X15) & ( (X2 sub X11 & X11 sub X16) => X2 sub X16) & ( (X2 sub X11 & X11 sub X17) => X2 sub X17) & ( (X2 sub X11 & X11 sub X18) => X2 sub X18) & ( (X2 sub X11 & X11 sub X19) => X2 sub X19) & ( (X2 sub X11 & X11 sub X20) => X2 sub X20) & ( (X2 sub X12 & X12 sub X1) => X2 sub X1) & ( (X2 sub X12 & X12 sub X3) => X2 sub X3) & ( (X2 sub X12 & X12 sub X4) => X2 sub X4) & ( (X2 sub X12 & X12 sub X5) => X2 sub X5) & ( (X2 sub X12 & X12 sub X6) => X2 sub X6) & ( (X2 sub X12 & X12 sub X7) => X2 sub X7) & ( (X2 sub X12 & X12 sub X8) => X2 sub X8) & ( (X2 sub X12 & X12 sub X9) => X2 sub X9) & ( (X2 sub X12 & X12 sub X10) => X2 sub X10) & ( (X2 sub X12 & X12 sub X11) => X2 sub X11) & ( (X2 sub X12 & X12 sub X13) => X2 sub X13) & ( (X2 sub X12 & X12 sub X14) => X2 sub X14) & ( (X2 sub X12 & X12 sub X15) => X2 sub X15) & ( (X2 sub X12 & X12 sub X16) => X2 sub X16) & ( (X2 sub X12 & X12 sub X17) => X2 sub X17) & ( (X2 sub X12 & X12 sub X18) => X2 sub X18) & ( (X2 sub X12 & X12 sub X19) => X2 sub X19) & ( (X2 sub X12 & X12 sub X20) => X2 sub X20) & ( (X2 sub X13 & X13 sub X1) => X2 sub X1) & ( (X2 sub X13 & X13 sub X3) => X2 sub X3) & ( (X2 sub X13 & X13 sub X4) => X2 sub X4) & ( (X2 sub X13 & X13 sub X5) => X2 sub X5) & ( (X2 sub X13 & X13 sub X6) => X2 sub X6) & ( (X2 sub X13 & X13 sub X7) => X2 sub X7) & ( (X2 sub X13 & X13 sub X8) => X2 sub X8) & ( (X2 sub X13 & X13 sub X9) => X2 sub X9) & ( (X2 sub X13 & X13 sub X10) => X2 sub X10) & ( (X2 sub X13 & X13 sub X11) => X2 sub X11) & ( (X2 sub X13 & X13 sub X12) => X2 sub X12) & ( (X2 sub X13 & X13 sub X14) => X2 sub X14) & ( (X2 sub X13 & X13 sub X15) => X2 sub X15) & ( (X2 sub X13 & X13 sub X16) => X2 sub X16) & ( (X2 sub X13 & X13 sub X17) => X2 sub X17) & ( (X2 sub X13 & X13 sub X18) => X2 sub X18) & ( (X2 sub X13 & X13 sub X19) => X2 sub X19) & ( (X2 sub X13 & X13 sub X20) => X2 sub X20) & ( (X2 sub X14 & X14 sub X1) => X2 sub X1) & ( (X2 sub X14 & X14 sub X3) => X2 sub X3) & ( (X2 sub X14 & X14 sub X4) => X2 sub X4) & ( (X2 sub X14 & X14 sub X5) => X2 sub X5) & ( (X2 sub X14 & X14 sub X6) => X2 sub X6) & ( (X2 sub X14 & X14 sub X7) => X2 sub X7) & ( (X2 sub X14 & X14 sub X8) => X2 sub X8) & ( (X2 sub X14 & X14 sub X9) => X2 sub X9) & ( (X2 sub X14 & X14 sub X10) => X2 sub X10) & ( (X2 sub X14 & X14 sub X11) => X2 sub X11) & ( (X2 sub X14 & X14 sub X12) => X2 sub X12) & ( (X2 sub X14 & X14 sub X13) => X2 sub X13) & ( (X2 sub X14 & X14 sub X15) => X2 sub X15) & ( (X2 sub X14 & X14 sub X16) => X2 sub X16) & ( (X2 sub X14 & X14 sub X17) => X2 sub X17) & ( (X2 sub X14 & X14 sub X18) => X2 sub X18) & ( (X2 sub X14 & X14 sub X19) => X2 sub X19) & ( (X2 sub X14 & X14 sub X20) => X2 sub X20) & ( (X2 sub X15 & X15 sub X1) => X2 sub X1) & ( (X2 sub X15 & X15 sub X3) => X2 sub X3) & ( (X2 sub X15 & X15 sub X4) => X2 sub X4) & ( (X2 sub X15 & X15 sub X5) => X2 sub X5) & ( (X2 sub X15 & X15 sub X6) => X2 sub X6) & ( (X2 sub X15 & X15 sub X7) => X2 sub X7) & ( (X2 sub X15 & X15 sub X8) => X2 sub X8) & ( (X2 sub X15 & X15 sub X9) => X2 sub X9) & ( (X2 sub X15 & X15 sub X10) => X2 sub X10) & ( (X2 sub X15 & X15 sub X11) => X2 sub X11) & ( (X2 sub X15 & X15 sub X12) => X2 sub X12) & ( (X2 sub X15 & X15 sub X13) => X2 sub X13) & ( (X2 sub X15 & X15 sub X14) => X2 sub X14) & ( (X2 sub X15 & X15 sub X16) => X2 sub X16) & ( (X2 sub X15 & X15 sub X17) => X2 sub X17) & ( (X2 sub X15 & X15 sub X18) => X2 sub X18) & ( (X2 sub X15 & X15 sub X19) => X2 sub X19) & ( (X2 sub X15 & X15 sub X20) => X2 sub X20) & ( (X2 sub X16 & X16 sub X1) => X2 sub X1) & ( (X2 sub X16 & X16 sub X3) => X2 sub X3) & ( (X2 sub X16 & X16 sub X4) => X2 sub X4) & ( (X2 sub X16 & X16 sub X5) => X2 sub X5) & ( (X2 sub X16 & X16 sub X6) => X2 sub X6) & ( (X2 sub X16 & X16 sub X7) => X2 sub X7) & ( (X2 sub X16 & X16 sub X8) => X2 sub X8) & ( (X2 sub X16 & X16 sub X9) => X2 sub X9) & ( (X2 sub X16 & X16 sub X10) => X2 sub X10) & ( (X2 sub X16 & X16 sub X11) => X2 sub X11) & ( (X2 sub X16 & X16 sub X12) => X2 sub X12) & ( (X2 sub X16 & X16 sub X13) => X2 sub X13) & ( (X2 sub X16 & X16 sub X14) => X2 sub X14) & ( (X2 sub X16 & X16 sub X15) => X2 sub X15) & ( (X2 sub X16 & X16 sub X17) => X2 sub X17) & ( (X2 sub X16 & X16 sub X18) => X2 sub X18) & ( (X2 sub X16 & X16 sub X19) => X2 sub X19) & ( (X2 sub X16 & X16 sub X20) => X2 sub X20) & ( (X2 sub X17 & X17 sub X1) => X2 sub X1) & ( (X2 sub X17 & X17 sub X3) => X2 sub X3) & ( (X2 sub X17 & X17 sub X4) => X2 sub X4) & ( (X2 sub X17 & X17 sub X5) => X2 sub X5) & ( (X2 sub X17 & X17 sub X6) => X2 sub X6) & ( (X2 sub X17 & X17 sub X7) => X2 sub X7) & ( (X2 sub X17 & X17 sub X8) => X2 sub X8) & ( (X2 sub X17 & X17 sub X9) => X2 sub X9) & ( (X2 sub X17 & X17 sub X10) => X2 sub X10) & ( (X2 sub X17 & X17 sub X11) => X2 sub X11) & ( (X2 sub X17 & X17 sub X12) => X2 sub X12) & ( (X2 sub X17 & X17 sub X13) => X2 sub X13) & ( (X2 sub X17 & X17 sub X14) => X2 sub X14) & ( (X2 sub X17 & X17 sub X15) => X2 sub X15) & ( (X2 sub X17 & X17 sub X16) => X2 sub X16) & ( (X2 sub X17 & X17 sub X18) => X2 sub X18) & ( (X2 sub X17 & X17 sub X19) => X2 sub X19) & ( (X2 sub X17 & X17 sub X20) => X2 sub X20) & ( (X2 sub X18 & X18 sub X1) => X2 sub X1) & ( (X2 sub X18 & X18 sub X3) => X2 sub X3) & ( (X2 sub X18 & X18 sub X4) => X2 sub X4) & ( (X2 sub X18 & X18 sub X5) => X2 sub X5) & ( (X2 sub X18 & X18 sub X6) => X2 sub X6) & ( (X2 sub X18 & X18 sub X7) => X2 sub X7) & ( (X2 sub X18 & X18 sub X8) => X2 sub X8) & ( (X2 sub X18 & X18 sub X9) => X2 sub X9) & ( (X2 sub X18 & X18 sub X10) => X2 sub X10) & ( (X2 sub X18 & X18 sub X11) => X2 sub X11) & ( (X2 sub X18 & X18 sub X12) => X2 sub X12) & ( (X2 sub X18 & X18 sub X13) => X2 sub X13) & ( (X2 sub X18 & X18 sub X14) => X2 sub X14) & ( (X2 sub X18 & X18 sub X15) => X2 sub X15) & ( (X2 sub X18 & X18 sub X16) => X2 sub X16) & ( (X2 sub X18 & X18 sub X17) => X2 sub X17) & ( (X2 sub X18 & X18 sub X19) => X2 sub X19) & ( (X2 sub X18 & X18 sub X20) => X2 sub X20) & ( (X2 sub X19 & X19 sub X1) => X2 sub X1) & ( (X2 sub X19 & X19 sub X3) => X2 sub X3) & ( (X2 sub X19 & X19 sub X4) => X2 sub X4) & ( (X2 sub X19 & X19 sub X5) => X2 sub X5) & ( (X2 sub X19 & X19 sub X6) => X2 sub X6) & ( (X2 sub X19 & X19 sub X7) => X2 sub X7) & ( (X2 sub X19 & X19 sub X8) => X2 sub X8) & ( (X2 sub X19 & X19 sub X9) => X2 sub X9) & ( (X2 sub X19 & X19 sub X10) => X2 sub X10) & ( (X2 sub X19 & X19 sub X11) => X2 sub X11) & ( (X2 sub X19 & X19 sub X12) => X2 sub X12) & ( (X2 sub X19 & X19 sub X13) => X2 sub X13) & ( (X2 sub X19 & X19 sub X14) => X2 sub X14) & ( (X2 sub X19 & X19 sub X15) => X2 sub X15) & ( (X2 sub X19 & X19 sub X16) => X2 sub X16) & ( (X2 sub X19 & X19 sub X17) => X2 sub X17) & ( (X2 sub X19 & X19 sub X18) => X2 sub X18) & ( (X2 sub X19 & X19 sub X20) => X2 sub X20) & ( (X2 sub X20 & X20 sub X1) => X2 sub X1) & ( (X2 sub X20 & X20 sub X3) => X2 sub X3) & ( (X2 sub X20 & X20 sub X4) => X2 sub X4) & ( (X2 sub X20 & X20 sub X5) => X2 sub X5) & ( (X2 sub X20 & X20 sub X6) => X2 sub X6) & ( (X2 sub X20 & X20 sub X7) => X2 sub X7) & ( (X2 sub X20 & X20 sub X8) => X2 sub X8) & ( (X2 sub X20 & X20 sub X9) => X2 sub X9) & ( (X2 sub X20 & X20 sub X10) => X2 sub X10) & ( (X2 sub X20 & X20 sub X11) => X2 sub X11) & ( (X2 sub X20 & X20 sub X12) => X2 sub X12) & ( (X2 sub X20 & X20 sub X13) => X2 sub X13) & ( (X2 sub X20 & X20 sub X14) => X2 sub X14) & ( (X2 sub X20 & X20 sub X15) => X2 sub X15) & ( (X2 sub X20 & X20 sub X16) => X2 sub X16) & ( (X2 sub X20 & X20 sub X17) => X2 sub X17) & ( (X2 sub X20 & X20 sub X18) => X2 sub X18) & ( (X2 sub X20 & X20 sub X19) => X2 sub X19) & ( (X3 sub X1 & X1 sub X2) => X3 sub X2) & ( (X3 sub X1 & X1 sub X4) => X3 sub X4) & ( (X3 sub X1 & X1 sub X5) => X3 sub X5) & ( (X3 sub X1 & X1 sub X6) => X3 sub X6) & ( (X3 sub X1 & X1 sub X7) => X3 sub X7) & ( (X3 sub X1 & X1 sub X8) => X3 sub X8) & ( (X3 sub X1 & X1 sub X9) => X3 sub X9) & ( (X3 sub X1 & X1 sub X10) => X3 sub X10) & ( (X3 sub X1 & X1 sub X11) => X3 sub X11) & ( (X3 sub X1 & X1 sub X12) => X3 sub X12) & ( (X3 sub X1 & X1 sub X13) => X3 sub X13) & ( (X3 sub X1 & X1 sub X14) => X3 sub X14) & ( (X3 sub X1 & X1 sub X15) => X3 sub X15) & ( (X3 sub X1 & X1 sub X16) => X3 sub X16) & ( (X3 sub X1 & X1 sub X17) => X3 sub X17) & ( (X3 sub X1 & X1 sub X18) => X3 sub X18) & ( (X3 sub X1 & X1 sub X19) => X3 sub X19) & ( (X3 sub X1 & X1 sub X20) => X3 sub X20) & ( (X3 sub X2 & X2 sub X1) => X3 sub X1) & ( (X3 sub X2 & X2 sub X4) => X3 sub X4) & ( (X3 sub X2 & X2 sub X5) => X3 sub X5) & ( (X3 sub X2 & X2 sub X6) => X3 sub X6) & ( (X3 sub X2 & X2 sub X7) => X3 sub X7) & ( (X3 sub X2 & X2 sub X8) => X3 sub X8) & ( (X3 sub X2 & X2 sub X9) => X3 sub X9) & ( (X3 sub X2 & X2 sub X10) => X3 sub X10) & ( (X3 sub X2 & X2 sub X11) => X3 sub X11) & ( (X3 sub X2 & X2 sub X12) => X3 sub X12) & ( (X3 sub X2 & X2 sub X13) => X3 sub X13) & ( (X3 sub X2 & X2 sub X14) => X3 sub X14) & ( (X3 sub X2 & X2 sub X15) => X3 sub X15) & ( (X3 sub X2 & X2 sub X16) => X3 sub X16) & ( (X3 sub X2 & X2 sub X17) => X3 sub X17) & ( (X3 sub X2 & X2 sub X18) => X3 sub X18) & ( (X3 sub X2 & X2 sub X19) => X3 sub X19) & ( (X3 sub X2 & X2 sub X20) => X3 sub X20) & ( (X3 sub X4 & X4 sub X1) => X3 sub X1) & ( (X3 sub X4 & X4 sub X2) => X3 sub X2) & ( (X3 sub X4 & X4 sub X5) => X3 sub X5) & ( (X3 sub X4 & X4 sub X6) => X3 sub X6) & ( (X3 sub X4 & X4 sub X7) => X3 sub X7) & ( (X3 sub X4 & X4 sub X8) => X3 sub X8) & ( (X3 sub X4 & X4 sub X9) => X3 sub X9) & ( (X3 sub X4 & X4 sub X10) => X3 sub X10) & ( (X3 sub X4 & X4 sub X11) => X3 sub X11) & ( (X3 sub X4 & X4 sub X12) => X3 sub X12) & ( (X3 sub X4 & X4 sub X13) => X3 sub X13) & ( (X3 sub X4 & X4 sub X14) => X3 sub X14) & ( (X3 sub X4 & X4 sub X15) => X3 sub X15) & ( (X3 sub X4 & X4 sub X16) => X3 sub X16) & ( (X3 sub X4 & X4 sub X17) => X3 sub X17) & ( (X3 sub X4 & X4 sub X18) => X3 sub X18) & ( (X3 sub X4 & X4 sub X19) => X3 sub X19) & ( (X3 sub X4 & X4 sub X20) => X3 sub X20) & ( (X3 sub X5 & X5 sub X1) => X3 sub X1) & ( (X3 sub X5 & X5 sub X2) => X3 sub X2) & ( (X3 sub X5 & X5 sub X4) => X3 sub X4) & ( (X3 sub X5 & X5 sub X6) => X3 sub X6) & ( (X3 sub X5 & X5 sub X7) => X3 sub X7) & ( (X3 sub X5 & X5 sub X8) => X3 sub X8) & ( (X3 sub X5 & X5 sub X9) => X3 sub X9) & ( (X3 sub X5 & X5 sub X10) => X3 sub X10) & ( (X3 sub X5 & X5 sub X11) => X3 sub X11) & ( (X3 sub X5 & X5 sub X12) => X3 sub X12) & ( (X3 sub X5 & X5 sub X13) => X3 sub X13) & ( (X3 sub X5 & X5 sub X14) => X3 sub X14) & ( (X3 sub X5 & X5 sub X15) => X3 sub X15) & ( (X3 sub X5 & X5 sub X16) => X3 sub X16) & ( (X3 sub X5 & X5 sub X17) => X3 sub X17) & ( (X3 sub X5 & X5 sub X18) => X3 sub X18) & ( (X3 sub X5 & X5 sub X19) => X3 sub X19) & ( (X3 sub X5 & X5 sub X20) => X3 sub X20) & ( (X3 sub X6 & X6 sub X1) => X3 sub X1) & ( (X3 sub X6 & X6 sub X2) => X3 sub X2) & ( (X3 sub X6 & X6 sub X4) => X3 sub X4) & ( (X3 sub X6 & X6 sub X5) => X3 sub X5) & ( (X3 sub X6 & X6 sub X7) => X3 sub X7) & ( (X3 sub X6 & X6 sub X8) => X3 sub X8) & ( (X3 sub X6 & X6 sub X9) => X3 sub X9) & ( (X3 sub X6 & X6 sub X10) => X3 sub X10) & ( (X3 sub X6 & X6 sub X11) => X3 sub X11) & ( (X3 sub X6 & X6 sub X12) => X3 sub X12) & ( (X3 sub X6 & X6 sub X13) => X3 sub X13) & ( (X3 sub X6 & X6 sub X14) => X3 sub X14) & ( (X3 sub X6 & X6 sub X15) => X3 sub X15) & ( (X3 sub X6 & X6 sub X16) => X3 sub X16) & ( (X3 sub X6 & X6 sub X17) => X3 sub X17) & ( (X3 sub X6 & X6 sub X18) => X3 sub X18) & ( (X3 sub X6 & X6 sub X19) => X3 sub X19) & ( (X3 sub X6 & X6 sub X20) => X3 sub X20) & ( (X3 sub X7 & X7 sub X1) => X3 sub X1) & ( (X3 sub X7 & X7 sub X2) => X3 sub X2) & ( (X3 sub X7 & X7 sub X4) => X3 sub X4) & ( (X3 sub X7 & X7 sub X5) => X3 sub X5) & ( (X3 sub X7 & X7 sub X6) => X3 sub X6) & ( (X3 sub X7 & X7 sub X8) => X3 sub X8) & ( (X3 sub X7 & X7 sub X9) => X3 sub X9) & ( (X3 sub X7 & X7 sub X10) => X3 sub X10) & ( (X3 sub X7 & X7 sub X11) => X3 sub X11) & ( (X3 sub X7 & X7 sub X12) => X3 sub X12) & ( (X3 sub X7 & X7 sub X13) => X3 sub X13) & ( (X3 sub X7 & X7 sub X14) => X3 sub X14) & ( (X3 sub X7 & X7 sub X15) => X3 sub X15) & ( (X3 sub X7 & X7 sub X16) => X3 sub X16) & ( (X3 sub X7 & X7 sub X17) => X3 sub X17) & ( (X3 sub X7 & X7 sub X18) => X3 sub X18) & ( (X3 sub X7 & X7 sub X19) => X3 sub X19) & ( (X3 sub X7 & X7 sub X20) => X3 sub X20) & ( (X3 sub X8 & X8 sub X1) => X3 sub X1) & ( (X3 sub X8 & X8 sub X2) => X3 sub X2) & ( (X3 sub X8 & X8 sub X4) => X3 sub X4) & ( (X3 sub X8 & X8 sub X5) => X3 sub X5) & ( (X3 sub X8 & X8 sub X6) => X3 sub X6) & ( (X3 sub X8 & X8 sub X7) => X3 sub X7) & ( (X3 sub X8 & X8 sub X9) => X3 sub X9) & ( (X3 sub X8 & X8 sub X10) => X3 sub X10) & ( (X3 sub X8 & X8 sub X11) => X3 sub X11) & ( (X3 sub X8 & X8 sub X12) => X3 sub X12) & ( (X3 sub X8 & X8 sub X13) => X3 sub X13) & ( (X3 sub X8 & X8 sub X14) => X3 sub X14) & ( (X3 sub X8 & X8 sub X15) => X3 sub X15) & ( (X3 sub X8 & X8 sub X16) => X3 sub X16) & ( (X3 sub X8 & X8 sub X17) => X3 sub X17) & ( (X3 sub X8 & X8 sub X18) => X3 sub X18) & ( (X3 sub X8 & X8 sub X19) => X3 sub X19) & ( (X3 sub X8 & X8 sub X20) => X3 sub X20) & ( (X3 sub X9 & X9 sub X1) => X3 sub X1) & ( (X3 sub X9 & X9 sub X2) => X3 sub X2) & ( (X3 sub X9 & X9 sub X4) => X3 sub X4) & ( (X3 sub X9 & X9 sub X5) => X3 sub X5) & ( (X3 sub X9 & X9 sub X6) => X3 sub X6) & ( (X3 sub X9 & X9 sub X7) => X3 sub X7) & ( (X3 sub X9 & X9 sub X8) => X3 sub X8) & ( (X3 sub X9 & X9 sub X10) => X3 sub X10) & ( (X3 sub X9 & X9 sub X11) => X3 sub X11) & ( (X3 sub X9 & X9 sub X12) => X3 sub X12) & ( (X3 sub X9 & X9 sub X13) => X3 sub X13) & ( (X3 sub X9 & X9 sub X14) => X3 sub X14) & ( (X3 sub X9 & X9 sub X15) => X3 sub X15) & ( (X3 sub X9 & X9 sub X16) => X3 sub X16) & ( (X3 sub X9 & X9 sub X17) => X3 sub X17) & ( (X3 sub X9 & X9 sub X18) => X3 sub X18) & ( (X3 sub X9 & X9 sub X19) => X3 sub X19) & ( (X3 sub X9 & X9 sub X20) => X3 sub X20) & ( (X3 sub X10 & X10 sub X1) => X3 sub X1) & ( (X3 sub X10 & X10 sub X2) => X3 sub X2) & ( (X3 sub X10 & X10 sub X4) => X3 sub X4) & ( (X3 sub X10 & X10 sub X5) => X3 sub X5) & ( (X3 sub X10 & X10 sub X6) => X3 sub X6) & ( (X3 sub X10 & X10 sub X7) => X3 sub X7) & ( (X3 sub X10 & X10 sub X8) => X3 sub X8) & ( (X3 sub X10 & X10 sub X9) => X3 sub X9) & ( (X3 sub X10 & X10 sub X11) => X3 sub X11) & ( (X3 sub X10 & X10 sub X12) => X3 sub X12) & ( (X3 sub X10 & X10 sub X13) => X3 sub X13) & ( (X3 sub X10 & X10 sub X14) => X3 sub X14) & ( (X3 sub X10 & X10 sub X15) => X3 sub X15) & ( (X3 sub X10 & X10 sub X16) => X3 sub X16) & ( (X3 sub X10 & X10 sub X17) => X3 sub X17) & ( (X3 sub X10 & X10 sub X18) => X3 sub X18) & ( (X3 sub X10 & X10 sub X19) => X3 sub X19) & ( (X3 sub X10 & X10 sub X20) => X3 sub X20) & ( (X3 sub X11 & X11 sub X1) => X3 sub X1) & ( (X3 sub X11 & X11 sub X2) => X3 sub X2) & ( (X3 sub X11 & X11 sub X4) => X3 sub X4) & ( (X3 sub X11 & X11 sub X5) => X3 sub X5) & ( (X3 sub X11 & X11 sub X6) => X3 sub X6) & ( (X3 sub X11 & X11 sub X7) => X3 sub X7) & ( (X3 sub X11 & X11 sub X8) => X3 sub X8) & ( (X3 sub X11 & X11 sub X9) => X3 sub X9) & ( (X3 sub X11 & X11 sub X10) => X3 sub X10) & ( (X3 sub X11 & X11 sub X12) => X3 sub X12) & ( (X3 sub X11 & X11 sub X13) => X3 sub X13) & ( (X3 sub X11 & X11 sub X14) => X3 sub X14) & ( (X3 sub X11 & X11 sub X15) => X3 sub X15) & ( (X3 sub X11 & X11 sub X16) => X3 sub X16) & ( (X3 sub X11 & X11 sub X17) => X3 sub X17) & ( (X3 sub X11 & X11 sub X18) => X3 sub X18) & ( (X3 sub X11 & X11 sub X19) => X3 sub X19) & ( (X3 sub X11 & X11 sub X20) => X3 sub X20) & ( (X3 sub X12 & X12 sub X1) => X3 sub X1) & ( (X3 sub X12 & X12 sub X2) => X3 sub X2) & ( (X3 sub X12 & X12 sub X4) => X3 sub X4) & ( (X3 sub X12 & X12 sub X5) => X3 sub X5) & ( (X3 sub X12 & X12 sub X6) => X3 sub X6) & ( (X3 sub X12 & X12 sub X7) => X3 sub X7) & ( (X3 sub X12 & X12 sub X8) => X3 sub X8) & ( (X3 sub X12 & X12 sub X9) => X3 sub X9) & ( (X3 sub X12 & X12 sub X10) => X3 sub X10) & ( (X3 sub X12 & X12 sub X11) => X3 sub X11) & ( (X3 sub X12 & X12 sub X13) => X3 sub X13) & ( (X3 sub X12 & X12 sub X14) => X3 sub X14) & ( (X3 sub X12 & X12 sub X15) => X3 sub X15) & ( (X3 sub X12 & X12 sub X16) => X3 sub X16) & ( (X3 sub X12 & X12 sub X17) => X3 sub X17) & ( (X3 sub X12 & X12 sub X18) => X3 sub X18) & ( (X3 sub X12 & X12 sub X19) => X3 sub X19) & ( (X3 sub X12 & X12 sub X20) => X3 sub X20) & ( (X3 sub X13 & X13 sub X1) => X3 sub X1) & ( (X3 sub X13 & X13 sub X2) => X3 sub X2) & ( (X3 sub X13 & X13 sub X4) => X3 sub X4) & ( (X3 sub X13 & X13 sub X5) => X3 sub X5) & ( (X3 sub X13 & X13 sub X6) => X3 sub X6) & ( (X3 sub X13 & X13 sub X7) => X3 sub X7) & ( (X3 sub X13 & X13 sub X8) => X3 sub X8) & ( (X3 sub X13 & X13 sub X9) => X3 sub X9) & ( (X3 sub X13 & X13 sub X10) => X3 sub X10) & ( (X3 sub X13 & X13 sub X11) => X3 sub X11) & ( (X3 sub X13 & X13 sub X12) => X3 sub X12) & ( (X3 sub X13 & X13 sub X14) => X3 sub X14) & ( (X3 sub X13 & X13 sub X15) => X3 sub X15) & ( (X3 sub X13 & X13 sub X16) => X3 sub X16) & ( (X3 sub X13 & X13 sub X17) => X3 sub X17) & ( (X3 sub X13 & X13 sub X18) => X3 sub X18) & ( (X3 sub X13 & X13 sub X19) => X3 sub X19) & ( (X3 sub X13 & X13 sub X20) => X3 sub X20) & ( (X3 sub X14 & X14 sub X1) => X3 sub X1) & ( (X3 sub X14 & X14 sub X2) => X3 sub X2) & ( (X3 sub X14 & X14 sub X4) => X3 sub X4) & ( (X3 sub X14 & X14 sub X5) => X3 sub X5) & ( (X3 sub X14 & X14 sub X6) => X3 sub X6) & ( (X3 sub X14 & X14 sub X7) => X3 sub X7) & ( (X3 sub X14 & X14 sub X8) => X3 sub X8) & ( (X3 sub X14 & X14 sub X9) => X3 sub X9) & ( (X3 sub X14 & X14 sub X10) => X3 sub X10) & ( (X3 sub X14 & X14 sub X11) => X3 sub X11) & ( (X3 sub X14 & X14 sub X12) => X3 sub X12) & ( (X3 sub X14 & X14 sub X13) => X3 sub X13) & ( (X3 sub X14 & X14 sub X15) => X3 sub X15) & ( (X3 sub X14 & X14 sub X16) => X3 sub X16) & ( (X3 sub X14 & X14 sub X17) => X3 sub X17) & ( (X3 sub X14 & X14 sub X18) => X3 sub X18) & ( (X3 sub X14 & X14 sub X19) => X3 sub X19) & ( (X3 sub X14 & X14 sub X20) => X3 sub X20) & ( (X3 sub X15 & X15 sub X1) => X3 sub X1) & ( (X3 sub X15 & X15 sub X2) => X3 sub X2) & ( (X3 sub X15 & X15 sub X4) => X3 sub X4) & ( (X3 sub X15 & X15 sub X5) => X3 sub X5) & ( (X3 sub X15 & X15 sub X6) => X3 sub X6) & ( (X3 sub X15 & X15 sub X7) => X3 sub X7) & ( (X3 sub X15 & X15 sub X8) => X3 sub X8) & ( (X3 sub X15 & X15 sub X9) => X3 sub X9) & ( (X3 sub X15 & X15 sub X10) => X3 sub X10) & ( (X3 sub X15 & X15 sub X11) => X3 sub X11) & ( (X3 sub X15 & X15 sub X12) => X3 sub X12) & ( (X3 sub X15 & X15 sub X13) => X3 sub X13) & ( (X3 sub X15 & X15 sub X14) => X3 sub X14) & ( (X3 sub X15 & X15 sub X16) => X3 sub X16) & ( (X3 sub X15 & X15 sub X17) => X3 sub X17) & ( (X3 sub X15 & X15 sub X18) => X3 sub X18) & ( (X3 sub X15 & X15 sub X19) => X3 sub X19) & ( (X3 sub X15 & X15 sub X20) => X3 sub X20) & ( (X3 sub X16 & X16 sub X1) => X3 sub X1) & ( (X3 sub X16 & X16 sub X2) => X3 sub X2) & ( (X3 sub X16 & X16 sub X4) => X3 sub X4) & ( (X3 sub X16 & X16 sub X5) => X3 sub X5) & ( (X3 sub X16 & X16 sub X6) => X3 sub X6) & ( (X3 sub X16 & X16 sub X7) => X3 sub X7) & ( (X3 sub X16 & X16 sub X8) => X3 sub X8) & ( (X3 sub X16 & X16 sub X9) => X3 sub X9) & ( (X3 sub X16 & X16 sub X10) => X3 sub X10) & ( (X3 sub X16 & X16 sub X11) => X3 sub X11) & ( (X3 sub X16 & X16 sub X12) => X3 sub X12) & ( (X3 sub X16 & X16 sub X13) => X3 sub X13) & ( (X3 sub X16 & X16 sub X14) => X3 sub X14) & ( (X3 sub X16 & X16 sub X15) => X3 sub X15) & ( (X3 sub X16 & X16 sub X17) => X3 sub X17) & ( (X3 sub X16 & X16 sub X18) => X3 sub X18) & ( (X3 sub X16 & X16 sub X19) => X3 sub X19) & ( (X3 sub X16 & X16 sub X20) => X3 sub X20) & ( (X3 sub X17 & X17 sub X1) => X3 sub X1) & ( (X3 sub X17 & X17 sub X2) => X3 sub X2) & ( (X3 sub X17 & X17 sub X4) => X3 sub X4) & ( (X3 sub X17 & X17 sub X5) => X3 sub X5) & ( (X3 sub X17 & X17 sub X6) => X3 sub X6) & ( (X3 sub X17 & X17 sub X7) => X3 sub X7) & ( (X3 sub X17 & X17 sub X8) => X3 sub X8) & ( (X3 sub X17 & X17 sub X9) => X3 sub X9) & ( (X3 sub X17 & X17 sub X10) => X3 sub X10) & ( (X3 sub X17 & X17 sub X11) => X3 sub X11) & ( (X3 sub X17 & X17 sub X12) => X3 sub X12) & ( (X3 sub X17 & X17 sub X13) => X3 sub X13) & ( (X3 sub X17 & X17 sub X14) => X3 sub X14) & ( (X3 sub X17 & X17 sub X15) => X3 sub X15) & ( (X3 sub X17 & X17 sub X16) => X3 sub X16) & ( (X3 sub X17 & X17 sub X18) => X3 sub X18) & ( (X3 sub X17 & X17 sub X19) => X3 sub X19) & ( (X3 sub X17 & X17 sub X20) => X3 sub X20) & ( (X3 sub X18 & X18 sub X1) => X3 sub X1) & ( (X3 sub X18 & X18 sub X2) => X3 sub X2) & ( (X3 sub X18 & X18 sub X4) => X3 sub X4) & ( (X3 sub X18 & X18 sub X5) => X3 sub X5) & ( (X3 sub X18 & X18 sub X6) => X3 sub X6) & ( (X3 sub X18 & X18 sub X7) => X3 sub X7) & ( (X3 sub X18 & X18 sub X8) => X3 sub X8) & ( (X3 sub X18 & X18 sub X9) => X3 sub X9) & ( (X3 sub X18 & X18 sub X10) => X3 sub X10) & ( (X3 sub X18 & X18 sub X11) => X3 sub X11) & ( (X3 sub X18 & X18 sub X12) => X3 sub X12) & ( (X3 sub X18 & X18 sub X13) => X3 sub X13) & ( (X3 sub X18 & X18 sub X14) => X3 sub X14) & ( (X3 sub X18 & X18 sub X15) => X3 sub X15) & ( (X3 sub X18 & X18 sub X16) => X3 sub X16) & ( (X3 sub X18 & X18 sub X17) => X3 sub X17) & ( (X3 sub X18 & X18 sub X19) => X3 sub X19) & ( (X3 sub X18 & X18 sub X20) => X3 sub X20) & ( (X3 sub X19 & X19 sub X1) => X3 sub X1) & ( (X3 sub X19 & X19 sub X2) => X3 sub X2) & ( (X3 sub X19 & X19 sub X4) => X3 sub X4) & ( (X3 sub X19 & X19 sub X5) => X3 sub X5) & ( (X3 sub X19 & X19 sub X6) => X3 sub X6) & ( (X3 sub X19 & X19 sub X7) => X3 sub X7) & ( (X3 sub X19 & X19 sub X8) => X3 sub X8) & ( (X3 sub X19 & X19 sub X9) => X3 sub X9) & ( (X3 sub X19 & X19 sub X10) => X3 sub X10) & ( (X3 sub X19 & X19 sub X11) => X3 sub X11) & ( (X3 sub X19 & X19 sub X12) => X3 sub X12) & ( (X3 sub X19 & X19 sub X13) => X3 sub X13) & ( (X3 sub X19 & X19 sub X14) => X3 sub X14) & ( (X3 sub X19 & X19 sub X15) => X3 sub X15) & ( (X3 sub X19 & X19 sub X16) => X3 sub X16) & ( (X3 sub X19 & X19 sub X17) => X3 sub X17) & ( (X3 sub X19 & X19 sub X18) => X3 sub X18) & ( (X3 sub X19 & X19 sub X20) => X3 sub X20) & ( (X3 sub X20 & X20 sub X1) => X3 sub X1) & ( (X3 sub X20 & X20 sub X2) => X3 sub X2) & ( (X3 sub X20 & X20 sub X4) => X3 sub X4) & ( (X3 sub X20 & X20 sub X5) => X3 sub X5) & ( (X3 sub X20 & X20 sub X6) => X3 sub X6) & ( (X3 sub X20 & X20 sub X7) => X3 sub X7) & ( (X3 sub X20 & X20 sub X8) => X3 sub X8) & ( (X3 sub X20 & X20 sub X9) => X3 sub X9) & ( (X3 sub X20 & X20 sub X10) => X3 sub X10) & ( (X3 sub X20 & X20 sub X11) => X3 sub X11) & ( (X3 sub X20 & X20 sub X12) => X3 sub X12) & ( (X3 sub X20 & X20 sub X13) => X3 sub X13) & ( (X3 sub X20 & X20 sub X14) => X3 sub X14) & ( (X3 sub X20 & X20 sub X15) => X3 sub X15) & ( (X3 sub X20 & X20 sub X16) => X3 sub X16) & ( (X3 sub X20 & X20 sub X17) => X3 sub X17) & ( (X3 sub X20 & X20 sub X18) => X3 sub X18) & ( (X3 sub X20 & X20 sub X19) => X3 sub X19) & ( (X4 sub X1 & X1 sub X2) => X4 sub X2) & ( (X4 sub X1 & X1 sub X3) => X4 sub X3) & ( (X4 sub X1 & X1 sub X5) => X4 sub X5) & ( (X4 sub X1 & X1 sub X6) => X4 sub X6) & ( (X4 sub X1 & X1 sub X7) => X4 sub X7) & ( (X4 sub X1 & X1 sub X8) => X4 sub X8) & ( (X4 sub X1 & X1 sub X9) => X4 sub X9) & ( (X4 sub X1 & X1 sub X10) => X4 sub X10) & ( (X4 sub X1 & X1 sub X11) => X4 sub X11) & ( (X4 sub X1 & X1 sub X12) => X4 sub X12) & ( (X4 sub X1 & X1 sub X13) => X4 sub X13) & ( (X4 sub X1 & X1 sub X14) => X4 sub X14) & ( (X4 sub X1 & X1 sub X15) => X4 sub X15) & ( (X4 sub X1 & X1 sub X16) => X4 sub X16) & ( (X4 sub X1 & X1 sub X17) => X4 sub X17) & ( (X4 sub X1 & X1 sub X18) => X4 sub X18) & ( (X4 sub X1 & X1 sub X19) => X4 sub X19) & ( (X4 sub X1 & X1 sub X20) => X4 sub X20) & ( (X4 sub X2 & X2 sub X1) => X4 sub X1) & ( (X4 sub X2 & X2 sub X3) => X4 sub X3) & ( (X4 sub X2 & X2 sub X5) => X4 sub X5) & ( (X4 sub X2 & X2 sub X6) => X4 sub X6) & ( (X4 sub X2 & X2 sub X7) => X4 sub X7) & ( (X4 sub X2 & X2 sub X8) => X4 sub X8) & ( (X4 sub X2 & X2 sub X9) => X4 sub X9) & ( (X4 sub X2 & X2 sub X10) => X4 sub X10) & ( (X4 sub X2 & X2 sub X11) => X4 sub X11) & ( (X4 sub X2 & X2 sub X12) => X4 sub X12) & ( (X4 sub X2 & X2 sub X13) => X4 sub X13) & ( (X4 sub X2 & X2 sub X14) => X4 sub X14) & ( (X4 sub X2 & X2 sub X15) => X4 sub X15) & ( (X4 sub X2 & X2 sub X16) => X4 sub X16) & ( (X4 sub X2 & X2 sub X17) => X4 sub X17) & ( (X4 sub X2 & X2 sub X18) => X4 sub X18) & ( (X4 sub X2 & X2 sub X19) => X4 sub X19) & ( (X4 sub X2 & X2 sub X20) => X4 sub X20) & ( (X4 sub X3 & X3 sub X1) => X4 sub X1) & ( (X4 sub X3 & X3 sub X2) => X4 sub X2) & ( (X4 sub X3 & X3 sub X5) => X4 sub X5) & ( (X4 sub X3 & X3 sub X6) => X4 sub X6) & ( (X4 sub X3 & X3 sub X7) => X4 sub X7) & ( (X4 sub X3 & X3 sub X8) => X4 sub X8) & ( (X4 sub X3 & X3 sub X9) => X4 sub X9) & ( (X4 sub X3 & X3 sub X10) => X4 sub X10) & ( (X4 sub X3 & X3 sub X11) => X4 sub X11) & ( (X4 sub X3 & X3 sub X12) => X4 sub X12) & ( (X4 sub X3 & X3 sub X13) => X4 sub X13) & ( (X4 sub X3 & X3 sub X14) => X4 sub X14) & ( (X4 sub X3 & X3 sub X15) => X4 sub X15) & ( (X4 sub X3 & X3 sub X16) => X4 sub X16) & ( (X4 sub X3 & X3 sub X17) => X4 sub X17) & ( (X4 sub X3 & X3 sub X18) => X4 sub X18) & ( (X4 sub X3 & X3 sub X19) => X4 sub X19) & ( (X4 sub X3 & X3 sub X20) => X4 sub X20) & ( (X4 sub X5 & X5 sub X1) => X4 sub X1) & ( (X4 sub X5 & X5 sub X2) => X4 sub X2) & ( (X4 sub X5 & X5 sub X3) => X4 sub X3) & ( (X4 sub X5 & X5 sub X6) => X4 sub X6) & ( (X4 sub X5 & X5 sub X7) => X4 sub X7) & ( (X4 sub X5 & X5 sub X8) => X4 sub X8) & ( (X4 sub X5 & X5 sub X9) => X4 sub X9) & ( (X4 sub X5 & X5 sub X10) => X4 sub X10) & ( (X4 sub X5 & X5 sub X11) => X4 sub X11) & ( (X4 sub X5 & X5 sub X12) => X4 sub X12) & ( (X4 sub X5 & X5 sub X13) => X4 sub X13) & ( (X4 sub X5 & X5 sub X14) => X4 sub X14) & ( (X4 sub X5 & X5 sub X15) => X4 sub X15) & ( (X4 sub X5 & X5 sub X16) => X4 sub X16) & ( (X4 sub X5 & X5 sub X17) => X4 sub X17) & ( (X4 sub X5 & X5 sub X18) => X4 sub X18) & ( (X4 sub X5 & X5 sub X19) => X4 sub X19) & ( (X4 sub X5 & X5 sub X20) => X4 sub X20) & ( (X4 sub X6 & X6 sub X1) => X4 sub X1) & ( (X4 sub X6 & X6 sub X2) => X4 sub X2) & ( (X4 sub X6 & X6 sub X3) => X4 sub X3) & ( (X4 sub X6 & X6 sub X5) => X4 sub X5) & ( (X4 sub X6 & X6 sub X7) => X4 sub X7) & ( (X4 sub X6 & X6 sub X8) => X4 sub X8) & ( (X4 sub X6 & X6 sub X9) => X4 sub X9) & ( (X4 sub X6 & X6 sub X10) => X4 sub X10) & ( (X4 sub X6 & X6 sub X11) => X4 sub X11) & ( (X4 sub X6 & X6 sub X12) => X4 sub X12) & ( (X4 sub X6 & X6 sub X13) => X4 sub X13) & ( (X4 sub X6 & X6 sub X14) => X4 sub X14) & ( (X4 sub X6 & X6 sub X15) => X4 sub X15) & ( (X4 sub X6 & X6 sub X16) => X4 sub X16) & ( (X4 sub X6 & X6 sub X17) => X4 sub X17) & ( (X4 sub X6 & X6 sub X18) => X4 sub X18) & ( (X4 sub X6 & X6 sub X19) => X4 sub X19) & ( (X4 sub X6 & X6 sub X20) => X4 sub X20) & ( (X4 sub X7 & X7 sub X1) => X4 sub X1) & ( (X4 sub X7 & X7 sub X2) => X4 sub X2) & ( (X4 sub X7 & X7 sub X3) => X4 sub X3) & ( (X4 sub X7 & X7 sub X5) => X4 sub X5) & ( (X4 sub X7 & X7 sub X6) => X4 sub X6) & ( (X4 sub X7 & X7 sub X8) => X4 sub X8) & ( (X4 sub X7 & X7 sub X9) => X4 sub X9) & ( (X4 sub X7 & X7 sub X10) => X4 sub X10) & ( (X4 sub X7 & X7 sub X11) => X4 sub X11) & ( (X4 sub X7 & X7 sub X12) => X4 sub X12) & ( (X4 sub X7 & X7 sub X13) => X4 sub X13) & ( (X4 sub X7 & X7 sub X14) => X4 sub X14) & ( (X4 sub X7 & X7 sub X15) => X4 sub X15) & ( (X4 sub X7 & X7 sub X16) => X4 sub X16) & ( (X4 sub X7 & X7 sub X17) => X4 sub X17) & ( (X4 sub X7 & X7 sub X18) => X4 sub X18) & ( (X4 sub X7 & X7 sub X19) => X4 sub X19) & ( (X4 sub X7 & X7 sub X20) => X4 sub X20) & ( (X4 sub X8 & X8 sub X1) => X4 sub X1) & ( (X4 sub X8 & X8 sub X2) => X4 sub X2) & ( (X4 sub X8 & X8 sub X3) => X4 sub X3) & ( (X4 sub X8 & X8 sub X5) => X4 sub X5) & ( (X4 sub X8 & X8 sub X6) => X4 sub X6) & ( (X4 sub X8 & X8 sub X7) => X4 sub X7) & ( (X4 sub X8 & X8 sub X9) => X4 sub X9) & ( (X4 sub X8 & X8 sub X10) => X4 sub X10) & ( (X4 sub X8 & X8 sub X11) => X4 sub X11) & ( (X4 sub X8 & X8 sub X12) => X4 sub X12) & ( (X4 sub X8 & X8 sub X13) => X4 sub X13) & ( (X4 sub X8 & X8 sub X14) => X4 sub X14) & ( (X4 sub X8 & X8 sub X15) => X4 sub X15) & ( (X4 sub X8 & X8 sub X16) => X4 sub X16) & ( (X4 sub X8 & X8 sub X17) => X4 sub X17) & ( (X4 sub X8 & X8 sub X18) => X4 sub X18) & ( (X4 sub X8 & X8 sub X19) => X4 sub X19) & ( (X4 sub X8 & X8 sub X20) => X4 sub X20) & ( (X4 sub X9 & X9 sub X1) => X4 sub X1) & ( (X4 sub X9 & X9 sub X2) => X4 sub X2) & ( (X4 sub X9 & X9 sub X3) => X4 sub X3) & ( (X4 sub X9 & X9 sub X5) => X4 sub X5) & ( (X4 sub X9 & X9 sub X6) => X4 sub X6) & ( (X4 sub X9 & X9 sub X7) => X4 sub X7) & ( (X4 sub X9 & X9 sub X8) => X4 sub X8) & ( (X4 sub X9 & X9 sub X10) => X4 sub X10) & ( (X4 sub X9 & X9 sub X11) => X4 sub X11) & ( (X4 sub X9 & X9 sub X12) => X4 sub X12) & ( (X4 sub X9 & X9 sub X13) => X4 sub X13) & ( (X4 sub X9 & X9 sub X14) => X4 sub X14) & ( (X4 sub X9 & X9 sub X15) => X4 sub X15) & ( (X4 sub X9 & X9 sub X16) => X4 sub X16) & ( (X4 sub X9 & X9 sub X17) => X4 sub X17) & ( (X4 sub X9 & X9 sub X18) => X4 sub X18) & ( (X4 sub X9 & X9 sub X19) => X4 sub X19) & ( (X4 sub X9 & X9 sub X20) => X4 sub X20) & ( (X4 sub X10 & X10 sub X1) => X4 sub X1) & ( (X4 sub X10 & X10 sub X2) => X4 sub X2) & ( (X4 sub X10 & X10 sub X3) => X4 sub X3) & ( (X4 sub X10 & X10 sub X5) => X4 sub X5) & ( (X4 sub X10 & X10 sub X6) => X4 sub X6) & ( (X4 sub X10 & X10 sub X7) => X4 sub X7) & ( (X4 sub X10 & X10 sub X8) => X4 sub X8) & ( (X4 sub X10 & X10 sub X9) => X4 sub X9) & ( (X4 sub X10 & X10 sub X11) => X4 sub X11) & ( (X4 sub X10 & X10 sub X12) => X4 sub X12) & ( (X4 sub X10 & X10 sub X13) => X4 sub X13) & ( (X4 sub X10 & X10 sub X14) => X4 sub X14) & ( (X4 sub X10 & X10 sub X15) => X4 sub X15) & ( (X4 sub X10 & X10 sub X16) => X4 sub X16) & ( (X4 sub X10 & X10 sub X17) => X4 sub X17) & ( (X4 sub X10 & X10 sub X18) => X4 sub X18) & ( (X4 sub X10 & X10 sub X19) => X4 sub X19) & ( (X4 sub X10 & X10 sub X20) => X4 sub X20) & ( (X4 sub X11 & X11 sub X1) => X4 sub X1) & ( (X4 sub X11 & X11 sub X2) => X4 sub X2) & ( (X4 sub X11 & X11 sub X3) => X4 sub X3) & ( (X4 sub X11 & X11 sub X5) => X4 sub X5) & ( (X4 sub X11 & X11 sub X6) => X4 sub X6) & ( (X4 sub X11 & X11 sub X7) => X4 sub X7) & ( (X4 sub X11 & X11 sub X8) => X4 sub X8) & ( (X4 sub X11 & X11 sub X9) => X4 sub X9) & ( (X4 sub X11 & X11 sub X10) => X4 sub X10) & ( (X4 sub X11 & X11 sub X12) => X4 sub X12) & ( (X4 sub X11 & X11 sub X13) => X4 sub X13) & ( (X4 sub X11 & X11 sub X14) => X4 sub X14) & ( (X4 sub X11 & X11 sub X15) => X4 sub X15) & ( (X4 sub X11 & X11 sub X16) => X4 sub X16) & ( (X4 sub X11 & X11 sub X17) => X4 sub X17) & ( (X4 sub X11 & X11 sub X18) => X4 sub X18) & ( (X4 sub X11 & X11 sub X19) => X4 sub X19) & ( (X4 sub X11 & X11 sub X20) => X4 sub X20) & ( (X4 sub X12 & X12 sub X1) => X4 sub X1) & ( (X4 sub X12 & X12 sub X2) => X4 sub X2) & ( (X4 sub X12 & X12 sub X3) => X4 sub X3) & ( (X4 sub X12 & X12 sub X5) => X4 sub X5) & ( (X4 sub X12 & X12 sub X6) => X4 sub X6) & ( (X4 sub X12 & X12 sub X7) => X4 sub X7) & ( (X4 sub X12 & X12 sub X8) => X4 sub X8) & ( (X4 sub X12 & X12 sub X9) => X4 sub X9) & ( (X4 sub X12 & X12 sub X10) => X4 sub X10) & ( (X4 sub X12 & X12 sub X11) => X4 sub X11) & ( (X4 sub X12 & X12 sub X13) => X4 sub X13) & ( (X4 sub X12 & X12 sub X14) => X4 sub X14) & ( (X4 sub X12 & X12 sub X15) => X4 sub X15) & ( (X4 sub X12 & X12 sub X16) => X4 sub X16) & ( (X4 sub X12 & X12 sub X17) => X4 sub X17) & ( (X4 sub X12 & X12 sub X18) => X4 sub X18) & ( (X4 sub X12 & X12 sub X19) => X4 sub X19) & ( (X4 sub X12 & X12 sub X20) => X4 sub X20) & ( (X4 sub X13 & X13 sub X1) => X4 sub X1) & ( (X4 sub X13 & X13 sub X2) => X4 sub X2) & ( (X4 sub X13 & X13 sub X3) => X4 sub X3) & ( (X4 sub X13 & X13 sub X5) => X4 sub X5) & ( (X4 sub X13 & X13 sub X6) => X4 sub X6) & ( (X4 sub X13 & X13 sub X7) => X4 sub X7) & ( (X4 sub X13 & X13 sub X8) => X4 sub X8) & ( (X4 sub X13 & X13 sub X9) => X4 sub X9) & ( (X4 sub X13 & X13 sub X10) => X4 sub X10) & ( (X4 sub X13 & X13 sub X11) => X4 sub X11) & ( (X4 sub X13 & X13 sub X12) => X4 sub X12) & ( (X4 sub X13 & X13 sub X14) => X4 sub X14) & ( (X4 sub X13 & X13 sub X15) => X4 sub X15) & ( (X4 sub X13 & X13 sub X16) => X4 sub X16) & ( (X4 sub X13 & X13 sub X17) => X4 sub X17) & ( (X4 sub X13 & X13 sub X18) => X4 sub X18) & ( (X4 sub X13 & X13 sub X19) => X4 sub X19) & ( (X4 sub X13 & X13 sub X20) => X4 sub X20) & ( (X4 sub X14 & X14 sub X1) => X4 sub X1) & ( (X4 sub X14 & X14 sub X2) => X4 sub X2) & ( (X4 sub X14 & X14 sub X3) => X4 sub X3) & ( (X4 sub X14 & X14 sub X5) => X4 sub X5) & ( (X4 sub X14 & X14 sub X6) => X4 sub X6) & ( (X4 sub X14 & X14 sub X7) => X4 sub X7) & ( (X4 sub X14 & X14 sub X8) => X4 sub X8) & ( (X4 sub X14 & X14 sub X9) => X4 sub X9) & ( (X4 sub X14 & X14 sub X10) => X4 sub X10) & ( (X4 sub X14 & X14 sub X11) => X4 sub X11) & ( (X4 sub X14 & X14 sub X12) => X4 sub X12) & ( (X4 sub X14 & X14 sub X13) => X4 sub X13) & ( (X4 sub X14 & X14 sub X15) => X4 sub X15) & ( (X4 sub X14 & X14 sub X16) => X4 sub X16) & ( (X4 sub X14 & X14 sub X17) => X4 sub X17) & ( (X4 sub X14 & X14 sub X18) => X4 sub X18) & ( (X4 sub X14 & X14 sub X19) => X4 sub X19) & ( (X4 sub X14 & X14 sub X20) => X4 sub X20) & ( (X4 sub X15 & X15 sub X1) => X4 sub X1) & ( (X4 sub X15 & X15 sub X2) => X4 sub X2) & ( (X4 sub X15 & X15 sub X3) => X4 sub X3) & ( (X4 sub X15 & X15 sub X5) => X4 sub X5) & ( (X4 sub X15 & X15 sub X6) => X4 sub X6) & ( (X4 sub X15 & X15 sub X7) => X4 sub X7) & ( (X4 sub X15 & X15 sub X8) => X4 sub X8) & ( (X4 sub X15 & X15 sub X9) => X4 sub X9) & ( (X4 sub X15 & X15 sub X10) => X4 sub X10) & ( (X4 sub X15 & X15 sub X11) => X4 sub X11) & ( (X4 sub X15 & X15 sub X12) => X4 sub X12) & ( (X4 sub X15 & X15 sub X13) => X4 sub X13) & ( (X4 sub X15 & X15 sub X14) => X4 sub X14) & ( (X4 sub X15 & X15 sub X16) => X4 sub X16) & ( (X4 sub X15 & X15 sub X17) => X4 sub X17) & ( (X4 sub X15 & X15 sub X18) => X4 sub X18) & ( (X4 sub X15 & X15 sub X19) => X4 sub X19) & ( (X4 sub X15 & X15 sub X20) => X4 sub X20) & ( (X4 sub X16 & X16 sub X1) => X4 sub X1) & ( (X4 sub X16 & X16 sub X2) => X4 sub X2) & ( (X4 sub X16 & X16 sub X3) => X4 sub X3) & ( (X4 sub X16 & X16 sub X5) => X4 sub X5) & ( (X4 sub X16 & X16 sub X6) => X4 sub X6) & ( (X4 sub X16 & X16 sub X7) => X4 sub X7) & ( (X4 sub X16 & X16 sub X8) => X4 sub X8) & ( (X4 sub X16 & X16 sub X9) => X4 sub X9) & ( (X4 sub X16 & X16 sub X10) => X4 sub X10) & ( (X4 sub X16 & X16 sub X11) => X4 sub X11) & ( (X4 sub X16 & X16 sub X12) => X4 sub X12) & ( (X4 sub X16 & X16 sub X13) => X4 sub X13) & ( (X4 sub X16 & X16 sub X14) => X4 sub X14) & ( (X4 sub X16 & X16 sub X15) => X4 sub X15) & ( (X4 sub X16 & X16 sub X17) => X4 sub X17) & ( (X4 sub X16 & X16 sub X18) => X4 sub X18) & ( (X4 sub X16 & X16 sub X19) => X4 sub X19) & ( (X4 sub X16 & X16 sub X20) => X4 sub X20) & ( (X4 sub X17 & X17 sub X1) => X4 sub X1) & ( (X4 sub X17 & X17 sub X2) => X4 sub X2) & ( (X4 sub X17 & X17 sub X3) => X4 sub X3) & ( (X4 sub X17 & X17 sub X5) => X4 sub X5) & ( (X4 sub X17 & X17 sub X6) => X4 sub X6) & ( (X4 sub X17 & X17 sub X7) => X4 sub X7) & ( (X4 sub X17 & X17 sub X8) => X4 sub X8) & ( (X4 sub X17 & X17 sub X9) => X4 sub X9) & ( (X4 sub X17 & X17 sub X10) => X4 sub X10) & ( (X4 sub X17 & X17 sub X11) => X4 sub X11) & ( (X4 sub X17 & X17 sub X12) => X4 sub X12) & ( (X4 sub X17 & X17 sub X13) => X4 sub X13) & ( (X4 sub X17 & X17 sub X14) => X4 sub X14) & ( (X4 sub X17 & X17 sub X15) => X4 sub X15) & ( (X4 sub X17 & X17 sub X16) => X4 sub X16) & ( (X4 sub X17 & X17 sub X18) => X4 sub X18) & ( (X4 sub X17 & X17 sub X19) => X4 sub X19) & ( (X4 sub X17 & X17 sub X20) => X4 sub X20) & ( (X4 sub X18 & X18 sub X1) => X4 sub X1) & ( (X4 sub X18 & X18 sub X2) => X4 sub X2) & ( (X4 sub X18 & X18 sub X3) => X4 sub X3) & ( (X4 sub X18 & X18 sub X5) => X4 sub X5) & ( (X4 sub X18 & X18 sub X6) => X4 sub X6) & ( (X4 sub X18 & X18 sub X7) => X4 sub X7) & ( (X4 sub X18 & X18 sub X8) => X4 sub X8) & ( (X4 sub X18 & X18 sub X9) => X4 sub X9) & ( (X4 sub X18 & X18 sub X10) => X4 sub X10) & ( (X4 sub X18 & X18 sub X11) => X4 sub X11) & ( (X4 sub X18 & X18 sub X12) => X4 sub X12) & ( (X4 sub X18 & X18 sub X13) => X4 sub X13) & ( (X4 sub X18 & X18 sub X14) => X4 sub X14) & ( (X4 sub X18 & X18 sub X15) => X4 sub X15) & ( (X4 sub X18 & X18 sub X16) => X4 sub X16) & ( (X4 sub X18 & X18 sub X17) => X4 sub X17) & ( (X4 sub X18 & X18 sub X19) => X4 sub X19) & ( (X4 sub X18 & X18 sub X20) => X4 sub X20) & ( (X4 sub X19 & X19 sub X1) => X4 sub X1) & ( (X4 sub X19 & X19 sub X2) => X4 sub X2) & ( (X4 sub X19 & X19 sub X3) => X4 sub X3) & ( (X4 sub X19 & X19 sub X5) => X4 sub X5) & ( (X4 sub X19 & X19 sub X6) => X4 sub X6) & ( (X4 sub X19 & X19 sub X7) => X4 sub X7) & ( (X4 sub X19 & X19 sub X8) => X4 sub X8) & ( (X4 sub X19 & X19 sub X9) => X4 sub X9) & ( (X4 sub X19 & X19 sub X10) => X4 sub X10) & ( (X4 sub X19 & X19 sub X11) => X4 sub X11) & ( (X4 sub X19 & X19 sub X12) => X4 sub X12) & ( (X4 sub X19 & X19 sub X13) => X4 sub X13) & ( (X4 sub X19 & X19 sub X14) => X4 sub X14) & ( (X4 sub X19 & X19 sub X15) => X4 sub X15) & ( (X4 sub X19 & X19 sub X16) => X4 sub X16) & ( (X4 sub X19 & X19 sub X17) => X4 sub X17) & ( (X4 sub X19 & X19 sub X18) => X4 sub X18) & ( (X4 sub X19 & X19 sub X20) => X4 sub X20) & ( (X4 sub X20 & X20 sub X1) => X4 sub X1) & ( (X4 sub X20 & X20 sub X2) => X4 sub X2) & ( (X4 sub X20 & X20 sub X3) => X4 sub X3) & ( (X4 sub X20 & X20 sub X5) => X4 sub X5) & ( (X4 sub X20 & X20 sub X6) => X4 sub X6) & ( (X4 sub X20 & X20 sub X7) => X4 sub X7) & ( (X4 sub X20 & X20 sub X8) => X4 sub X8) & ( (X4 sub X20 & X20 sub X9) => X4 sub X9) & ( (X4 sub X20 & X20 sub X10) => X4 sub X10) & ( (X4 sub X20 & X20 sub X11) => X4 sub X11) & ( (X4 sub X20 & X20 sub X12) => X4 sub X12) & ( (X4 sub X20 & X20 sub X13) => X4 sub X13) & ( (X4 sub X20 & X20 sub X14) => X4 sub X14) & ( (X4 sub X20 & X20 sub X15) => X4 sub X15) & ( (X4 sub X20 & X20 sub X16) => X4 sub X16) & ( (X4 sub X20 & X20 sub X17) => X4 sub X17) & ( (X4 sub X20 & X20 sub X18) => X4 sub X18) & ( (X4 sub X20 & X20 sub X19) => X4 sub X19) & ( (X5 sub X1 & X1 sub X2) => X5 sub X2) & ( (X5 sub X1 & X1 sub X3) => X5 sub X3) & ( (X5 sub X1 & X1 sub X4) => X5 sub X4) & ( (X5 sub X1 & X1 sub X6) => X5 sub X6) & ( (X5 sub X1 & X1 sub X7) => X5 sub X7) & ( (X5 sub X1 & X1 sub X8) => X5 sub X8) & ( (X5 sub X1 & X1 sub X9) => X5 sub X9) & ( (X5 sub X1 & X1 sub X10) => X5 sub X10) & ( (X5 sub X1 & X1 sub X11) => X5 sub X11) & ( (X5 sub X1 & X1 sub X12) => X5 sub X12) & ( (X5 sub X1 & X1 sub X13) => X5 sub X13) & ( (X5 sub X1 & X1 sub X14) => X5 sub X14) & ( (X5 sub X1 & X1 sub X15) => X5 sub X15) & ( (X5 sub X1 & X1 sub X16) => X5 sub X16) & ( (X5 sub X1 & X1 sub X17) => X5 sub X17) & ( (X5 sub X1 & X1 sub X18) => X5 sub X18) & ( (X5 sub X1 & X1 sub X19) => X5 sub X19) & ( (X5 sub X1 & X1 sub X20) => X5 sub X20) & ( (X5 sub X2 & X2 sub X1) => X5 sub X1) & ( (X5 sub X2 & X2 sub X3) => X5 sub X3) & ( (X5 sub X2 & X2 sub X4) => X5 sub X4) & ( (X5 sub X2 & X2 sub X6) => X5 sub X6) & ( (X5 sub X2 & X2 sub X7) => X5 sub X7) & ( (X5 sub X2 & X2 sub X8) => X5 sub X8) & ( (X5 sub X2 & X2 sub X9) => X5 sub X9) & ( (X5 sub X2 & X2 sub X10) => X5 sub X10) & ( (X5 sub X2 & X2 sub X11) => X5 sub X11) & ( (X5 sub X2 & X2 sub X12) => X5 sub X12) & ( (X5 sub X2 & X2 sub X13) => X5 sub X13) & ( (X5 sub X2 & X2 sub X14) => X5 sub X14) & ( (X5 sub X2 & X2 sub X15) => X5 sub X15) & ( (X5 sub X2 & X2 sub X16) => X5 sub X16) & ( (X5 sub X2 & X2 sub X17) => X5 sub X17) & ( (X5 sub X2 & X2 sub X18) => X5 sub X18) & ( (X5 sub X2 & X2 sub X19) => X5 sub X19) & ( (X5 sub X2 & X2 sub X20) => X5 sub X20) & ( (X5 sub X3 & X3 sub X1) => X5 sub X1) & ( (X5 sub X3 & X3 sub X2) => X5 sub X2) & ( (X5 sub X3 & X3 sub X4) => X5 sub X4) & ( (X5 sub X3 & X3 sub X6) => X5 sub X6) & ( (X5 sub X3 & X3 sub X7) => X5 sub X7) & ( (X5 sub X3 & X3 sub X8) => X5 sub X8) & ( (X5 sub X3 & X3 sub X9) => X5 sub X9) & ( (X5 sub X3 & X3 sub X10) => X5 sub X10) & ( (X5 sub X3 & X3 sub X11) => X5 sub X11) & ( (X5 sub X3 & X3 sub X12) => X5 sub X12) & ( (X5 sub X3 & X3 sub X13) => X5 sub X13) & ( (X5 sub X3 & X3 sub X14) => X5 sub X14) & ( (X5 sub X3 & X3 sub X15) => X5 sub X15) & ( (X5 sub X3 & X3 sub X16) => X5 sub X16) & ( (X5 sub X3 & X3 sub X17) => X5 sub X17) & ( (X5 sub X3 & X3 sub X18) => X5 sub X18) & ( (X5 sub X3 & X3 sub X19) => X5 sub X19) & ( (X5 sub X3 & X3 sub X20) => X5 sub X20) & ( (X5 sub X4 & X4 sub X1) => X5 sub X1) & ( (X5 sub X4 & X4 sub X2) => X5 sub X2) & ( (X5 sub X4 & X4 sub X3) => X5 sub X3) & ( (X5 sub X4 & X4 sub X6) => X5 sub X6) & ( (X5 sub X4 & X4 sub X7) => X5 sub X7) & ( (X5 sub X4 & X4 sub X8) => X5 sub X8) & ( (X5 sub X4 & X4 sub X9) => X5 sub X9) & ( (X5 sub X4 & X4 sub X10) => X5 sub X10) & ( (X5 sub X4 & X4 sub X11) => X5 sub X11) & ( (X5 sub X4 & X4 sub X12) => X5 sub X12) & ( (X5 sub X4 & X4 sub X13) => X5 sub X13) & ( (X5 sub X4 & X4 sub X14) => X5 sub X14) & ( (X5 sub X4 & X4 sub X15) => X5 sub X15) & ( (X5 sub X4 & X4 sub X16) => X5 sub X16) & ( (X5 sub X4 & X4 sub X17) => X5 sub X17) & ( (X5 sub X4 & X4 sub X18) => X5 sub X18) & ( (X5 sub X4 & X4 sub X19) => X5 sub X19) & ( (X5 sub X4 & X4 sub X20) => X5 sub X20) & ( (X5 sub X6 & X6 sub X1) => X5 sub X1) & ( (X5 sub X6 & X6 sub X2) => X5 sub X2) & ( (X5 sub X6 & X6 sub X3) => X5 sub X3) & ( (X5 sub X6 & X6 sub X4) => X5 sub X4) & ( (X5 sub X6 & X6 sub X7) => X5 sub X7) & ( (X5 sub X6 & X6 sub X8) => X5 sub X8) & ( (X5 sub X6 & X6 sub X9) => X5 sub X9) & ( (X5 sub X6 & X6 sub X10) => X5 sub X10) & ( (X5 sub X6 & X6 sub X11) => X5 sub X11) & ( (X5 sub X6 & X6 sub X12) => X5 sub X12) & ( (X5 sub X6 & X6 sub X13) => X5 sub X13) & ( (X5 sub X6 & X6 sub X14) => X5 sub X14) & ( (X5 sub X6 & X6 sub X15) => X5 sub X15) & ( (X5 sub X6 & X6 sub X16) => X5 sub X16) & ( (X5 sub X6 & X6 sub X17) => X5 sub X17) & ( (X5 sub X6 & X6 sub X18) => X5 sub X18) & ( (X5 sub X6 & X6 sub X19) => X5 sub X19) & ( (X5 sub X6 & X6 sub X20) => X5 sub X20) & ( (X5 sub X7 & X7 sub X1) => X5 sub X1) & ( (X5 sub X7 & X7 sub X2) => X5 sub X2) & ( (X5 sub X7 & X7 sub X3) => X5 sub X3) & ( (X5 sub X7 & X7 sub X4) => X5 sub X4) & ( (X5 sub X7 & X7 sub X6) => X5 sub X6) & ( (X5 sub X7 & X7 sub X8) => X5 sub X8) & ( (X5 sub X7 & X7 sub X9) => X5 sub X9) & ( (X5 sub X7 & X7 sub X10) => X5 sub X10) & ( (X5 sub X7 & X7 sub X11) => X5 sub X11) & ( (X5 sub X7 & X7 sub X12) => X5 sub X12) & ( (X5 sub X7 & X7 sub X13) => X5 sub X13) & ( (X5 sub X7 & X7 sub X14) => X5 sub X14) & ( (X5 sub X7 & X7 sub X15) => X5 sub X15) & ( (X5 sub X7 & X7 sub X16) => X5 sub X16) & ( (X5 sub X7 & X7 sub X17) => X5 sub X17) & ( (X5 sub X7 & X7 sub X18) => X5 sub X18) & ( (X5 sub X7 & X7 sub X19) => X5 sub X19) & ( (X5 sub X7 & X7 sub X20) => X5 sub X20) & ( (X5 sub X8 & X8 sub X1) => X5 sub X1) & ( (X5 sub X8 & X8 sub X2) => X5 sub X2) & ( (X5 sub X8 & X8 sub X3) => X5 sub X3) & ( (X5 sub X8 & X8 sub X4) => X5 sub X4) & ( (X5 sub X8 & X8 sub X6) => X5 sub X6) & ( (X5 sub X8 & X8 sub X7) => X5 sub X7) & ( (X5 sub X8 & X8 sub X9) => X5 sub X9) & ( (X5 sub X8 & X8 sub X10) => X5 sub X10) & ( (X5 sub X8 & X8 sub X11) => X5 sub X11) & ( (X5 sub X8 & X8 sub X12) => X5 sub X12) & ( (X5 sub X8 & X8 sub X13) => X5 sub X13) & ( (X5 sub X8 & X8 sub X14) => X5 sub X14) & ( (X5 sub X8 & X8 sub X15) => X5 sub X15) & ( (X5 sub X8 & X8 sub X16) => X5 sub X16) & ( (X5 sub X8 & X8 sub X17) => X5 sub X17) & ( (X5 sub X8 & X8 sub X18) => X5 sub X18) & ( (X5 sub X8 & X8 sub X19) => X5 sub X19) & ( (X5 sub X8 & X8 sub X20) => X5 sub X20) & ( (X5 sub X9 & X9 sub X1) => X5 sub X1) & ( (X5 sub X9 & X9 sub X2) => X5 sub X2) & ( (X5 sub X9 & X9 sub X3) => X5 sub X3) & ( (X5 sub X9 & X9 sub X4) => X5 sub X4) & ( (X5 sub X9 & X9 sub X6) => X5 sub X6) & ( (X5 sub X9 & X9 sub X7) => X5 sub X7) & ( (X5 sub X9 & X9 sub X8) => X5 sub X8) & ( (X5 sub X9 & X9 sub X10) => X5 sub X10) & ( (X5 sub X9 & X9 sub X11) => X5 sub X11) & ( (X5 sub X9 & X9 sub X12) => X5 sub X12) & ( (X5 sub X9 & X9 sub X13) => X5 sub X13) & ( (X5 sub X9 & X9 sub X14) => X5 sub X14) & ( (X5 sub X9 & X9 sub X15) => X5 sub X15) & ( (X5 sub X9 & X9 sub X16) => X5 sub X16) & ( (X5 sub X9 & X9 sub X17) => X5 sub X17) & ( (X5 sub X9 & X9 sub X18) => X5 sub X18) & ( (X5 sub X9 & X9 sub X19) => X5 sub X19) & ( (X5 sub X9 & X9 sub X20) => X5 sub X20) & ( (X5 sub X10 & X10 sub X1) => X5 sub X1) & ( (X5 sub X10 & X10 sub X2) => X5 sub X2) & ( (X5 sub X10 & X10 sub X3) => X5 sub X3) & ( (X5 sub X10 & X10 sub X4) => X5 sub X4) & ( (X5 sub X10 & X10 sub X6) => X5 sub X6) & ( (X5 sub X10 & X10 sub X7) => X5 sub X7) & ( (X5 sub X10 & X10 sub X8) => X5 sub X8) & ( (X5 sub X10 & X10 sub X9) => X5 sub X9) & ( (X5 sub X10 & X10 sub X11) => X5 sub X11) & ( (X5 sub X10 & X10 sub X12) => X5 sub X12) & ( (X5 sub X10 & X10 sub X13) => X5 sub X13) & ( (X5 sub X10 & X10 sub X14) => X5 sub X14) & ( (X5 sub X10 & X10 sub X15) => X5 sub X15) & ( (X5 sub X10 & X10 sub X16) => X5 sub X16) & ( (X5 sub X10 & X10 sub X17) => X5 sub X17) & ( (X5 sub X10 & X10 sub X18) => X5 sub X18) & ( (X5 sub X10 & X10 sub X19) => X5 sub X19) & ( (X5 sub X10 & X10 sub X20) => X5 sub X20) & ( (X5 sub X11 & X11 sub X1) => X5 sub X1) & ( (X5 sub X11 & X11 sub X2) => X5 sub X2) & ( (X5 sub X11 & X11 sub X3) => X5 sub X3) & ( (X5 sub X11 & X11 sub X4) => X5 sub X4) & ( (X5 sub X11 & X11 sub X6) => X5 sub X6) & ( (X5 sub X11 & X11 sub X7) => X5 sub X7) & ( (X5 sub X11 & X11 sub X8) => X5 sub X8) & ( (X5 sub X11 & X11 sub X9) => X5 sub X9) & ( (X5 sub X11 & X11 sub X10) => X5 sub X10) & ( (X5 sub X11 & X11 sub X12) => X5 sub X12) & ( (X5 sub X11 & X11 sub X13) => X5 sub X13) & ( (X5 sub X11 & X11 sub X14) => X5 sub X14) & ( (X5 sub X11 & X11 sub X15) => X5 sub X15) & ( (X5 sub X11 & X11 sub X16) => X5 sub X16) & ( (X5 sub X11 & X11 sub X17) => X5 sub X17) & ( (X5 sub X11 & X11 sub X18) => X5 sub X18) & ( (X5 sub X11 & X11 sub X19) => X5 sub X19) & ( (X5 sub X11 & X11 sub X20) => X5 sub X20) & ( (X5 sub X12 & X12 sub X1) => X5 sub X1) & ( (X5 sub X12 & X12 sub X2) => X5 sub X2) & ( (X5 sub X12 & X12 sub X3) => X5 sub X3) & ( (X5 sub X12 & X12 sub X4) => X5 sub X4) & ( (X5 sub X12 & X12 sub X6) => X5 sub X6) & ( (X5 sub X12 & X12 sub X7) => X5 sub X7) & ( (X5 sub X12 & X12 sub X8) => X5 sub X8) & ( (X5 sub X12 & X12 sub X9) => X5 sub X9) & ( (X5 sub X12 & X12 sub X10) => X5 sub X10) & ( (X5 sub X12 & X12 sub X11) => X5 sub X11) & ( (X5 sub X12 & X12 sub X13) => X5 sub X13) & ( (X5 sub X12 & X12 sub X14) => X5 sub X14) & ( (X5 sub X12 & X12 sub X15) => X5 sub X15) & ( (X5 sub X12 & X12 sub X16) => X5 sub X16) & ( (X5 sub X12 & X12 sub X17) => X5 sub X17) & ( (X5 sub X12 & X12 sub X18) => X5 sub X18) & ( (X5 sub X12 & X12 sub X19) => X5 sub X19) & ( (X5 sub X12 & X12 sub X20) => X5 sub X20) & ( (X5 sub X13 & X13 sub X1) => X5 sub X1) & ( (X5 sub X13 & X13 sub X2) => X5 sub X2) & ( (X5 sub X13 & X13 sub X3) => X5 sub X3) & ( (X5 sub X13 & X13 sub X4) => X5 sub X4) & ( (X5 sub X13 & X13 sub X6) => X5 sub X6) & ( (X5 sub X13 & X13 sub X7) => X5 sub X7) & ( (X5 sub X13 & X13 sub X8) => X5 sub X8) & ( (X5 sub X13 & X13 sub X9) => X5 sub X9) & ( (X5 sub X13 & X13 sub X10) => X5 sub X10) & ( (X5 sub X13 & X13 sub X11) => X5 sub X11) & ( (X5 sub X13 & X13 sub X12) => X5 sub X12) & ( (X5 sub X13 & X13 sub X14) => X5 sub X14) & ( (X5 sub X13 & X13 sub X15) => X5 sub X15) & ( (X5 sub X13 & X13 sub X16) => X5 sub X16) & ( (X5 sub X13 & X13 sub X17) => X5 sub X17) & ( (X5 sub X13 & X13 sub X18) => X5 sub X18) & ( (X5 sub X13 & X13 sub X19) => X5 sub X19) & ( (X5 sub X13 & X13 sub X20) => X5 sub X20) & ( (X5 sub X14 & X14 sub X1) => X5 sub X1) & ( (X5 sub X14 & X14 sub X2) => X5 sub X2) & ( (X5 sub X14 & X14 sub X3) => X5 sub X3) & ( (X5 sub X14 & X14 sub X4) => X5 sub X4) & ( (X5 sub X14 & X14 sub X6) => X5 sub X6) & ( (X5 sub X14 & X14 sub X7) => X5 sub X7) & ( (X5 sub X14 & X14 sub X8) => X5 sub X8) & ( (X5 sub X14 & X14 sub X9) => X5 sub X9) & ( (X5 sub X14 & X14 sub X10) => X5 sub X10) & ( (X5 sub X14 & X14 sub X11) => X5 sub X11) & ( (X5 sub X14 & X14 sub X12) => X5 sub X12) & ( (X5 sub X14 & X14 sub X13) => X5 sub X13) & ( (X5 sub X14 & X14 sub X15) => X5 sub X15) & ( (X5 sub X14 & X14 sub X16) => X5 sub X16) & ( (X5 sub X14 & X14 sub X17) => X5 sub X17) & ( (X5 sub X14 & X14 sub X18) => X5 sub X18) & ( (X5 sub X14 & X14 sub X19) => X5 sub X19) & ( (X5 sub X14 & X14 sub X20) => X5 sub X20) & ( (X5 sub X15 & X15 sub X1) => X5 sub X1) & ( (X5 sub X15 & X15 sub X2) => X5 sub X2) & ( (X5 sub X15 & X15 sub X3) => X5 sub X3) & ( (X5 sub X15 & X15 sub X4) => X5 sub X4) & ( (X5 sub X15 & X15 sub X6) => X5 sub X6) & ( (X5 sub X15 & X15 sub X7) => X5 sub X7) & ( (X5 sub X15 & X15 sub X8) => X5 sub X8) & ( (X5 sub X15 & X15 sub X9) => X5 sub X9) & ( (X5 sub X15 & X15 sub X10) => X5 sub X10) & ( (X5 sub X15 & X15 sub X11) => X5 sub X11) & ( (X5 sub X15 & X15 sub X12) => X5 sub X12) & ( (X5 sub X15 & X15 sub X13) => X5 sub X13) & ( (X5 sub X15 & X15 sub X14) => X5 sub X14) & ( (X5 sub X15 & X15 sub X16) => X5 sub X16) & ( (X5 sub X15 & X15 sub X17) => X5 sub X17) & ( (X5 sub X15 & X15 sub X18) => X5 sub X18) & ( (X5 sub X15 & X15 sub X19) => X5 sub X19) & ( (X5 sub X15 & X15 sub X20) => X5 sub X20) & ( (X5 sub X16 & X16 sub X1) => X5 sub X1) & ( (X5 sub X16 & X16 sub X2) => X5 sub X2) & ( (X5 sub X16 & X16 sub X3) => X5 sub X3) & ( (X5 sub X16 & X16 sub X4) => X5 sub X4) & ( (X5 sub X16 & X16 sub X6) => X5 sub X6) & ( (X5 sub X16 & X16 sub X7) => X5 sub X7) & ( (X5 sub X16 & X16 sub X8) => X5 sub X8) & ( (X5 sub X16 & X16 sub X9) => X5 sub X9) & ( (X5 sub X16 & X16 sub X10) => X5 sub X10) & ( (X5 sub X16 & X16 sub X11) => X5 sub X11) & ( (X5 sub X16 & X16 sub X12) => X5 sub X12) & ( (X5 sub X16 & X16 sub X13) => X5 sub X13) & ( (X5 sub X16 & X16 sub X14) => X5 sub X14) & ( (X5 sub X16 & X16 sub X15) => X5 sub X15) & ( (X5 sub X16 & X16 sub X17) => X5 sub X17) & ( (X5 sub X16 & X16 sub X18) => X5 sub X18) & ( (X5 sub X16 & X16 sub X19) => X5 sub X19) & ( (X5 sub X16 & X16 sub X20) => X5 sub X20) & ( (X5 sub X17 & X17 sub X1) => X5 sub X1) & ( (X5 sub X17 & X17 sub X2) => X5 sub X2) & ( (X5 sub X17 & X17 sub X3) => X5 sub X3) & ( (X5 sub X17 & X17 sub X4) => X5 sub X4) & ( (X5 sub X17 & X17 sub X6) => X5 sub X6) & ( (X5 sub X17 & X17 sub X7) => X5 sub X7) & ( (X5 sub X17 & X17 sub X8) => X5 sub X8) & ( (X5 sub X17 & X17 sub X9) => X5 sub X9) & ( (X5 sub X17 & X17 sub X10) => X5 sub X10) & ( (X5 sub X17 & X17 sub X11) => X5 sub X11) & ( (X5 sub X17 & X17 sub X12) => X5 sub X12) & ( (X5 sub X17 & X17 sub X13) => X5 sub X13) & ( (X5 sub X17 & X17 sub X14) => X5 sub X14) & ( (X5 sub X17 & X17 sub X15) => X5 sub X15) & ( (X5 sub X17 & X17 sub X16) => X5 sub X16) & ( (X5 sub X17 & X17 sub X18) => X5 sub X18) & ( (X5 sub X17 & X17 sub X19) => X5 sub X19) & ( (X5 sub X17 & X17 sub X20) => X5 sub X20) & ( (X5 sub X18 & X18 sub X1) => X5 sub X1) & ( (X5 sub X18 & X18 sub X2) => X5 sub X2) & ( (X5 sub X18 & X18 sub X3) => X5 sub X3) & ( (X5 sub X18 & X18 sub X4) => X5 sub X4) & ( (X5 sub X18 & X18 sub X6) => X5 sub X6) & ( (X5 sub X18 & X18 sub X7) => X5 sub X7) & ( (X5 sub X18 & X18 sub X8) => X5 sub X8) & ( (X5 sub X18 & X18 sub X9) => X5 sub X9) & ( (X5 sub X18 & X18 sub X10) => X5 sub X10) & ( (X5 sub X18 & X18 sub X11) => X5 sub X11) & ( (X5 sub X18 & X18 sub X12) => X5 sub X12) & ( (X5 sub X18 & X18 sub X13) => X5 sub X13) & ( (X5 sub X18 & X18 sub X14) => X5 sub X14) & ( (X5 sub X18 & X18 sub X15) => X5 sub X15) & ( (X5 sub X18 & X18 sub X16) => X5 sub X16) & ( (X5 sub X18 & X18 sub X17) => X5 sub X17) & ( (X5 sub X18 & X18 sub X19) => X5 sub X19) & ( (X5 sub X18 & X18 sub X20) => X5 sub X20) & ( (X5 sub X19 & X19 sub X1) => X5 sub X1) & ( (X5 sub X19 & X19 sub X2) => X5 sub X2) & ( (X5 sub X19 & X19 sub X3) => X5 sub X3) & ( (X5 sub X19 & X19 sub X4) => X5 sub X4) & ( (X5 sub X19 & X19 sub X6) => X5 sub X6) & ( (X5 sub X19 & X19 sub X7) => X5 sub X7) & ( (X5 sub X19 & X19 sub X8) => X5 sub X8) & ( (X5 sub X19 & X19 sub X9) => X5 sub X9) & ( (X5 sub X19 & X19 sub X10) => X5 sub X10) & ( (X5 sub X19 & X19 sub X11) => X5 sub X11) & ( (X5 sub X19 & X19 sub X12) => X5 sub X12) & ( (X5 sub X19 & X19 sub X13) => X5 sub X13) & ( (X5 sub X19 & X19 sub X14) => X5 sub X14) & ( (X5 sub X19 & X19 sub X15) => X5 sub X15) & ( (X5 sub X19 & X19 sub X16) => X5 sub X16) & ( (X5 sub X19 & X19 sub X17) => X5 sub X17) & ( (X5 sub X19 & X19 sub X18) => X5 sub X18) & ( (X5 sub X19 & X19 sub X20) => X5 sub X20) & ( (X5 sub X20 & X20 sub X1) => X5 sub X1) & ( (X5 sub X20 & X20 sub X2) => X5 sub X2) & ( (X5 sub X20 & X20 sub X3) => X5 sub X3) & ( (X5 sub X20 & X20 sub X4) => X5 sub X4) & ( (X5 sub X20 & X20 sub X6) => X5 sub X6) & ( (X5 sub X20 & X20 sub X7) => X5 sub X7) & ( (X5 sub X20 & X20 sub X8) => X5 sub X8) & ( (X5 sub X20 & X20 sub X9) => X5 sub X9) & ( (X5 sub X20 & X20 sub X10) => X5 sub X10) & ( (X5 sub X20 & X20 sub X11) => X5 sub X11) & ( (X5 sub X20 & X20 sub X12) => X5 sub X12) & ( (X5 sub X20 & X20 sub X13) => X5 sub X13) & ( (X5 sub X20 & X20 sub X14) => X5 sub X14) & ( (X5 sub X20 & X20 sub X15) => X5 sub X15) & ( (X5 sub X20 & X20 sub X16) => X5 sub X16) & ( (X5 sub X20 & X20 sub X17) => X5 sub X17) & ( (X5 sub X20 & X20 sub X18) => X5 sub X18) & ( (X5 sub X20 & X20 sub X19) => X5 sub X19) & ( (X6 sub X1 & X1 sub X2) => X6 sub X2) & ( (X6 sub X1 & X1 sub X3) => X6 sub X3) & ( (X6 sub X1 & X1 sub X4) => X6 sub X4) & ( (X6 sub X1 & X1 sub X5) => X6 sub X5) & ( (X6 sub X1 & X1 sub X7) => X6 sub X7) & ( (X6 sub X1 & X1 sub X8) => X6 sub X8) & ( (X6 sub X1 & X1 sub X9) => X6 sub X9) & ( (X6 sub X1 & X1 sub X10) => X6 sub X10) & ( (X6 sub X1 & X1 sub X11) => X6 sub X11) & ( (X6 sub X1 & X1 sub X12) => X6 sub X12) & ( (X6 sub X1 & X1 sub X13) => X6 sub X13) & ( (X6 sub X1 & X1 sub X14) => X6 sub X14) & ( (X6 sub X1 & X1 sub X15) => X6 sub X15) & ( (X6 sub X1 & X1 sub X16) => X6 sub X16) & ( (X6 sub X1 & X1 sub X17) => X6 sub X17) & ( (X6 sub X1 & X1 sub X18) => X6 sub X18) & ( (X6 sub X1 & X1 sub X19) => X6 sub X19) & ( (X6 sub X1 & X1 sub X20) => X6 sub X20) & ( (X6 sub X2 & X2 sub X1) => X6 sub X1) & ( (X6 sub X2 & X2 sub X3) => X6 sub X3) & ( (X6 sub X2 & X2 sub X4) => X6 sub X4) & ( (X6 sub X2 & X2 sub X5) => X6 sub X5) & ( (X6 sub X2 & X2 sub X7) => X6 sub X7) & ( (X6 sub X2 & X2 sub X8) => X6 sub X8) & ( (X6 sub X2 & X2 sub X9) => X6 sub X9) & ( (X6 sub X2 & X2 sub X10) => X6 sub X10) & ( (X6 sub X2 & X2 sub X11) => X6 sub X11) & ( (X6 sub X2 & X2 sub X12) => X6 sub X12) & ( (X6 sub X2 & X2 sub X13) => X6 sub X13) & ( (X6 sub X2 & X2 sub X14) => X6 sub X14) & ( (X6 sub X2 & X2 sub X15) => X6 sub X15) & ( (X6 sub X2 & X2 sub X16) => X6 sub X16) & ( (X6 sub X2 & X2 sub X17) => X6 sub X17) & ( (X6 sub X2 & X2 sub X18) => X6 sub X18) & ( (X6 sub X2 & X2 sub X19) => X6 sub X19) & ( (X6 sub X2 & X2 sub X20) => X6 sub X20) & ( (X6 sub X3 & X3 sub X1) => X6 sub X1) & ( (X6 sub X3 & X3 sub X2) => X6 sub X2) & ( (X6 sub X3 & X3 sub X4) => X6 sub X4) & ( (X6 sub X3 & X3 sub X5) => X6 sub X5) & ( (X6 sub X3 & X3 sub X7) => X6 sub X7) & ( (X6 sub X3 & X3 sub X8) => X6 sub X8) & ( (X6 sub X3 & X3 sub X9) => X6 sub X9) & ( (X6 sub X3 & X3 sub X10) => X6 sub X10) & ( (X6 sub X3 & X3 sub X11) => X6 sub X11) & ( (X6 sub X3 & X3 sub X12) => X6 sub X12) & ( (X6 sub X3 & X3 sub X13) => X6 sub X13) & ( (X6 sub X3 & X3 sub X14) => X6 sub X14) & ( (X6 sub X3 & X3 sub X15) => X6 sub X15) & ( (X6 sub X3 & X3 sub X16) => X6 sub X16) & ( (X6 sub X3 & X3 sub X17) => X6 sub X17) & ( (X6 sub X3 & X3 sub X18) => X6 sub X18) & ( (X6 sub X3 & X3 sub X19) => X6 sub X19) & ( (X6 sub X3 & X3 sub X20) => X6 sub X20) & ( (X6 sub X4 & X4 sub X1) => X6 sub X1) & ( (X6 sub X4 & X4 sub X2) => X6 sub X2) & ( (X6 sub X4 & X4 sub X3) => X6 sub X3) & ( (X6 sub X4 & X4 sub X5) => X6 sub X5) & ( (X6 sub X4 & X4 sub X7) => X6 sub X7) & ( (X6 sub X4 & X4 sub X8) => X6 sub X8) & ( (X6 sub X4 & X4 sub X9) => X6 sub X9) & ( (X6 sub X4 & X4 sub X10) => X6 sub X10) & ( (X6 sub X4 & X4 sub X11) => X6 sub X11) & ( (X6 sub X4 & X4 sub X12) => X6 sub X12) & ( (X6 sub X4 & X4 sub X13) => X6 sub X13) & ( (X6 sub X4 & X4 sub X14) => X6 sub X14) & ( (X6 sub X4 & X4 sub X15) => X6 sub X15) & ( (X6 sub X4 & X4 sub X16) => X6 sub X16) & ( (X6 sub X4 & X4 sub X17) => X6 sub X17) & ( (X6 sub X4 & X4 sub X18) => X6 sub X18) & ( (X6 sub X4 & X4 sub X19) => X6 sub X19) & ( (X6 sub X4 & X4 sub X20) => X6 sub X20) & ( (X6 sub X5 & X5 sub X1) => X6 sub X1) & ( (X6 sub X5 & X5 sub X2) => X6 sub X2) & ( (X6 sub X5 & X5 sub X3) => X6 sub X3) & ( (X6 sub X5 & X5 sub X4) => X6 sub X4) & ( (X6 sub X5 & X5 sub X7) => X6 sub X7) & ( (X6 sub X5 & X5 sub X8) => X6 sub X8) & ( (X6 sub X5 & X5 sub X9) => X6 sub X9) & ( (X6 sub X5 & X5 sub X10) => X6 sub X10) & ( (X6 sub X5 & X5 sub X11) => X6 sub X11) & ( (X6 sub X5 & X5 sub X12) => X6 sub X12) & ( (X6 sub X5 & X5 sub X13) => X6 sub X13) & ( (X6 sub X5 & X5 sub X14) => X6 sub X14) & ( (X6 sub X5 & X5 sub X15) => X6 sub X15) & ( (X6 sub X5 & X5 sub X16) => X6 sub X16) & ( (X6 sub X5 & X5 sub X17) => X6 sub X17) & ( (X6 sub X5 & X5 sub X18) => X6 sub X18) & ( (X6 sub X5 & X5 sub X19) => X6 sub X19) & ( (X6 sub X5 & X5 sub X20) => X6 sub X20) & ( (X6 sub X7 & X7 sub X1) => X6 sub X1) & ( (X6 sub X7 & X7 sub X2) => X6 sub X2) & ( (X6 sub X7 & X7 sub X3) => X6 sub X3) & ( (X6 sub X7 & X7 sub X4) => X6 sub X4) & ( (X6 sub X7 & X7 sub X5) => X6 sub X5) & ( (X6 sub X7 & X7 sub X8) => X6 sub X8) & ( (X6 sub X7 & X7 sub X9) => X6 sub X9) & ( (X6 sub X7 & X7 sub X10) => X6 sub X10) & ( (X6 sub X7 & X7 sub X11) => X6 sub X11) & ( (X6 sub X7 & X7 sub X12) => X6 sub X12) & ( (X6 sub X7 & X7 sub X13) => X6 sub X13) & ( (X6 sub X7 & X7 sub X14) => X6 sub X14) & ( (X6 sub X7 & X7 sub X15) => X6 sub X15) & ( (X6 sub X7 & X7 sub X16) => X6 sub X16) & ( (X6 sub X7 & X7 sub X17) => X6 sub X17) & ( (X6 sub X7 & X7 sub X18) => X6 sub X18) & ( (X6 sub X7 & X7 sub X19) => X6 sub X19) & ( (X6 sub X7 & X7 sub X20) => X6 sub X20) & ( (X6 sub X8 & X8 sub X1) => X6 sub X1) & ( (X6 sub X8 & X8 sub X2) => X6 sub X2) & ( (X6 sub X8 & X8 sub X3) => X6 sub X3) & ( (X6 sub X8 & X8 sub X4) => X6 sub X4) & ( (X6 sub X8 & X8 sub X5) => X6 sub X5) & ( (X6 sub X8 & X8 sub X7) => X6 sub X7) & ( (X6 sub X8 & X8 sub X9) => X6 sub X9) & ( (X6 sub X8 & X8 sub X10) => X6 sub X10) & ( (X6 sub X8 & X8 sub X11) => X6 sub X11) & ( (X6 sub X8 & X8 sub X12) => X6 sub X12) & ( (X6 sub X8 & X8 sub X13) => X6 sub X13) & ( (X6 sub X8 & X8 sub X14) => X6 sub X14) & ( (X6 sub X8 & X8 sub X15) => X6 sub X15) & ( (X6 sub X8 & X8 sub X16) => X6 sub X16) & ( (X6 sub X8 & X8 sub X17) => X6 sub X17) & ( (X6 sub X8 & X8 sub X18) => X6 sub X18) & ( (X6 sub X8 & X8 sub X19) => X6 sub X19) & ( (X6 sub X8 & X8 sub X20) => X6 sub X20) & ( (X6 sub X9 & X9 sub X1) => X6 sub X1) & ( (X6 sub X9 & X9 sub X2) => X6 sub X2) & ( (X6 sub X9 & X9 sub X3) => X6 sub X3) & ( (X6 sub X9 & X9 sub X4) => X6 sub X4) & ( (X6 sub X9 & X9 sub X5) => X6 sub X5) & ( (X6 sub X9 & X9 sub X7) => X6 sub X7) & ( (X6 sub X9 & X9 sub X8) => X6 sub X8) & ( (X6 sub X9 & X9 sub X10) => X6 sub X10) & ( (X6 sub X9 & X9 sub X11) => X6 sub X11) & ( (X6 sub X9 & X9 sub X12) => X6 sub X12) & ( (X6 sub X9 & X9 sub X13) => X6 sub X13) & ( (X6 sub X9 & X9 sub X14) => X6 sub X14) & ( (X6 sub X9 & X9 sub X15) => X6 sub X15) & ( (X6 sub X9 & X9 sub X16) => X6 sub X16) & ( (X6 sub X9 & X9 sub X17) => X6 sub X17) & ( (X6 sub X9 & X9 sub X18) => X6 sub X18) & ( (X6 sub X9 & X9 sub X19) => X6 sub X19) & ( (X6 sub X9 & X9 sub X20) => X6 sub X20) & ( (X6 sub X10 & X10 sub X1) => X6 sub X1) & ( (X6 sub X10 & X10 sub X2) => X6 sub X2) & ( (X6 sub X10 & X10 sub X3) => X6 sub X3) & ( (X6 sub X10 & X10 sub X4) => X6 sub X4) & ( (X6 sub X10 & X10 sub X5) => X6 sub X5) & ( (X6 sub X10 & X10 sub X7) => X6 sub X7) & ( (X6 sub X10 & X10 sub X8) => X6 sub X8) & ( (X6 sub X10 & X10 sub X9) => X6 sub X9) & ( (X6 sub X10 & X10 sub X11) => X6 sub X11) & ( (X6 sub X10 & X10 sub X12) => X6 sub X12) & ( (X6 sub X10 & X10 sub X13) => X6 sub X13) & ( (X6 sub X10 & X10 sub X14) => X6 sub X14) & ( (X6 sub X10 & X10 sub X15) => X6 sub X15) & ( (X6 sub X10 & X10 sub X16) => X6 sub X16) & ( (X6 sub X10 & X10 sub X17) => X6 sub X17) & ( (X6 sub X10 & X10 sub X18) => X6 sub X18) & ( (X6 sub X10 & X10 sub X19) => X6 sub X19) & ( (X6 sub X10 & X10 sub X20) => X6 sub X20) & ( (X6 sub X11 & X11 sub X1) => X6 sub X1) & ( (X6 sub X11 & X11 sub X2) => X6 sub X2) & ( (X6 sub X11 & X11 sub X3) => X6 sub X3) & ( (X6 sub X11 & X11 sub X4) => X6 sub X4) & ( (X6 sub X11 & X11 sub X5) => X6 sub X5) & ( (X6 sub X11 & X11 sub X7) => X6 sub X7) & ( (X6 sub X11 & X11 sub X8) => X6 sub X8) & ( (X6 sub X11 & X11 sub X9) => X6 sub X9) & ( (X6 sub X11 & X11 sub X10) => X6 sub X10) & ( (X6 sub X11 & X11 sub X12) => X6 sub X12) & ( (X6 sub X11 & X11 sub X13) => X6 sub X13) & ( (X6 sub X11 & X11 sub X14) => X6 sub X14) & ( (X6 sub X11 & X11 sub X15) => X6 sub X15) & ( (X6 sub X11 & X11 sub X16) => X6 sub X16) & ( (X6 sub X11 & X11 sub X17) => X6 sub X17) & ( (X6 sub X11 & X11 sub X18) => X6 sub X18) & ( (X6 sub X11 & X11 sub X19) => X6 sub X19) & ( (X6 sub X11 & X11 sub X20) => X6 sub X20) & ( (X6 sub X12 & X12 sub X1) => X6 sub X1) & ( (X6 sub X12 & X12 sub X2) => X6 sub X2) & ( (X6 sub X12 & X12 sub X3) => X6 sub X3) & ( (X6 sub X12 & X12 sub X4) => X6 sub X4) & ( (X6 sub X12 & X12 sub X5) => X6 sub X5) & ( (X6 sub X12 & X12 sub X7) => X6 sub X7) & ( (X6 sub X12 & X12 sub X8) => X6 sub X8) & ( (X6 sub X12 & X12 sub X9) => X6 sub X9) & ( (X6 sub X12 & X12 sub X10) => X6 sub X10) & ( (X6 sub X12 & X12 sub X11) => X6 sub X11) & ( (X6 sub X12 & X12 sub X13) => X6 sub X13) & ( (X6 sub X12 & X12 sub X14) => X6 sub X14) & ( (X6 sub X12 & X12 sub X15) => X6 sub X15) & ( (X6 sub X12 & X12 sub X16) => X6 sub X16) & ( (X6 sub X12 & X12 sub X17) => X6 sub X17) & ( (X6 sub X12 & X12 sub X18) => X6 sub X18) & ( (X6 sub X12 & X12 sub X19) => X6 sub X19) & ( (X6 sub X12 & X12 sub X20) => X6 sub X20) & ( (X6 sub X13 & X13 sub X1) => X6 sub X1) & ( (X6 sub X13 & X13 sub X2) => X6 sub X2) & ( (X6 sub X13 & X13 sub X3) => X6 sub X3) & ( (X6 sub X13 & X13 sub X4) => X6 sub X4) & ( (X6 sub X13 & X13 sub X5) => X6 sub X5) & ( (X6 sub X13 & X13 sub X7) => X6 sub X7) & ( (X6 sub X13 & X13 sub X8) => X6 sub X8) & ( (X6 sub X13 & X13 sub X9) => X6 sub X9) & ( (X6 sub X13 & X13 sub X10) => X6 sub X10) & ( (X6 sub X13 & X13 sub X11) => X6 sub X11) & ( (X6 sub X13 & X13 sub X12) => X6 sub X12) & ( (X6 sub X13 & X13 sub X14) => X6 sub X14) & ( (X6 sub X13 & X13 sub X15) => X6 sub X15) & ( (X6 sub X13 & X13 sub X16) => X6 sub X16) & ( (X6 sub X13 & X13 sub X17) => X6 sub X17) & ( (X6 sub X13 & X13 sub X18) => X6 sub X18) & ( (X6 sub X13 & X13 sub X19) => X6 sub X19) & ( (X6 sub X13 & X13 sub X20) => X6 sub X20) & ( (X6 sub X14 & X14 sub X1) => X6 sub X1) & ( (X6 sub X14 & X14 sub X2) => X6 sub X2) & ( (X6 sub X14 & X14 sub X3) => X6 sub X3) & ( (X6 sub X14 & X14 sub X4) => X6 sub X4) & ( (X6 sub X14 & X14 sub X5) => X6 sub X5) & ( (X6 sub X14 & X14 sub X7) => X6 sub X7) & ( (X6 sub X14 & X14 sub X8) => X6 sub X8) & ( (X6 sub X14 & X14 sub X9) => X6 sub X9) & ( (X6 sub X14 & X14 sub X10) => X6 sub X10) & ( (X6 sub X14 & X14 sub X11) => X6 sub X11) & ( (X6 sub X14 & X14 sub X12) => X6 sub X12) & ( (X6 sub X14 & X14 sub X13) => X6 sub X13) & ( (X6 sub X14 & X14 sub X15) => X6 sub X15) & ( (X6 sub X14 & X14 sub X16) => X6 sub X16) & ( (X6 sub X14 & X14 sub X17) => X6 sub X17) & ( (X6 sub X14 & X14 sub X18) => X6 sub X18) & ( (X6 sub X14 & X14 sub X19) => X6 sub X19) & ( (X6 sub X14 & X14 sub X20) => X6 sub X20) & ( (X6 sub X15 & X15 sub X1) => X6 sub X1) & ( (X6 sub X15 & X15 sub X2) => X6 sub X2) & ( (X6 sub X15 & X15 sub X3) => X6 sub X3) & ( (X6 sub X15 & X15 sub X4) => X6 sub X4) & ( (X6 sub X15 & X15 sub X5) => X6 sub X5) & ( (X6 sub X15 & X15 sub X7) => X6 sub X7) & ( (X6 sub X15 & X15 sub X8) => X6 sub X8) & ( (X6 sub X15 & X15 sub X9) => X6 sub X9) & ( (X6 sub X15 & X15 sub X10) => X6 sub X10) & ( (X6 sub X15 & X15 sub X11) => X6 sub X11) & ( (X6 sub X15 & X15 sub X12) => X6 sub X12) & ( (X6 sub X15 & X15 sub X13) => X6 sub X13) & ( (X6 sub X15 & X15 sub X14) => X6 sub X14) & ( (X6 sub X15 & X15 sub X16) => X6 sub X16) & ( (X6 sub X15 & X15 sub X17) => X6 sub X17) & ( (X6 sub X15 & X15 sub X18) => X6 sub X18) & ( (X6 sub X15 & X15 sub X19) => X6 sub X19) & ( (X6 sub X15 & X15 sub X20) => X6 sub X20) & ( (X6 sub X16 & X16 sub X1) => X6 sub X1) & ( (X6 sub X16 & X16 sub X2) => X6 sub X2) & ( (X6 sub X16 & X16 sub X3) => X6 sub X3) & ( (X6 sub X16 & X16 sub X4) => X6 sub X4) & ( (X6 sub X16 & X16 sub X5) => X6 sub X5) & ( (X6 sub X16 & X16 sub X7) => X6 sub X7) & ( (X6 sub X16 & X16 sub X8) => X6 sub X8) & ( (X6 sub X16 & X16 sub X9) => X6 sub X9) & ( (X6 sub X16 & X16 sub X10) => X6 sub X10) & ( (X6 sub X16 & X16 sub X11) => X6 sub X11) & ( (X6 sub X16 & X16 sub X12) => X6 sub X12) & ( (X6 sub X16 & X16 sub X13) => X6 sub X13) & ( (X6 sub X16 & X16 sub X14) => X6 sub X14) & ( (X6 sub X16 & X16 sub X15) => X6 sub X15) & ( (X6 sub X16 & X16 sub X17) => X6 sub X17) & ( (X6 sub X16 & X16 sub X18) => X6 sub X18) & ( (X6 sub X16 & X16 sub X19) => X6 sub X19) & ( (X6 sub X16 & X16 sub X20) => X6 sub X20) & ( (X6 sub X17 & X17 sub X1) => X6 sub X1) & ( (X6 sub X17 & X17 sub X2) => X6 sub X2) & ( (X6 sub X17 & X17 sub X3) => X6 sub X3) & ( (X6 sub X17 & X17 sub X4) => X6 sub X4) & ( (X6 sub X17 & X17 sub X5) => X6 sub X5) & ( (X6 sub X17 & X17 sub X7) => X6 sub X7) & ( (X6 sub X17 & X17 sub X8) => X6 sub X8) & ( (X6 sub X17 & X17 sub X9) => X6 sub X9) & ( (X6 sub X17 & X17 sub X10) => X6 sub X10) & ( (X6 sub X17 & X17 sub X11) => X6 sub X11) & ( (X6 sub X17 & X17 sub X12) => X6 sub X12) & ( (X6 sub X17 & X17 sub X13) => X6 sub X13) & ( (X6 sub X17 & X17 sub X14) => X6 sub X14) & ( (X6 sub X17 & X17 sub X15) => X6 sub X15) & ( (X6 sub X17 & X17 sub X16) => X6 sub X16) & ( (X6 sub X17 & X17 sub X18) => X6 sub X18) & ( (X6 sub X17 & X17 sub X19) => X6 sub X19) & ( (X6 sub X17 & X17 sub X20) => X6 sub X20) & ( (X6 sub X18 & X18 sub X1) => X6 sub X1) & ( (X6 sub X18 & X18 sub X2) => X6 sub X2) & ( (X6 sub X18 & X18 sub X3) => X6 sub X3) & ( (X6 sub X18 & X18 sub X4) => X6 sub X4) & ( (X6 sub X18 & X18 sub X5) => X6 sub X5) & ( (X6 sub X18 & X18 sub X7) => X6 sub X7) & ( (X6 sub X18 & X18 sub X8) => X6 sub X8) & ( (X6 sub X18 & X18 sub X9) => X6 sub X9) & ( (X6 sub X18 & X18 sub X10) => X6 sub X10) & ( (X6 sub X18 & X18 sub X11) => X6 sub X11) & ( (X6 sub X18 & X18 sub X12) => X6 sub X12) & ( (X6 sub X18 & X18 sub X13) => X6 sub X13) & ( (X6 sub X18 & X18 sub X14) => X6 sub X14) & ( (X6 sub X18 & X18 sub X15) => X6 sub X15) & ( (X6 sub X18 & X18 sub X16) => X6 sub X16) & ( (X6 sub X18 & X18 sub X17) => X6 sub X17) & ( (X6 sub X18 & X18 sub X19) => X6 sub X19) & ( (X6 sub X18 & X18 sub X20) => X6 sub X20) & ( (X6 sub X19 & X19 sub X1) => X6 sub X1) & ( (X6 sub X19 & X19 sub X2) => X6 sub X2) & ( (X6 sub X19 & X19 sub X3) => X6 sub X3) & ( (X6 sub X19 & X19 sub X4) => X6 sub X4) & ( (X6 sub X19 & X19 sub X5) => X6 sub X5) & ( (X6 sub X19 & X19 sub X7) => X6 sub X7) & ( (X6 sub X19 & X19 sub X8) => X6 sub X8) & ( (X6 sub X19 & X19 sub X9) => X6 sub X9) & ( (X6 sub X19 & X19 sub X10) => X6 sub X10) & ( (X6 sub X19 & X19 sub X11) => X6 sub X11) & ( (X6 sub X19 & X19 sub X12) => X6 sub X12) & ( (X6 sub X19 & X19 sub X13) => X6 sub X13) & ( (X6 sub X19 & X19 sub X14) => X6 sub X14) & ( (X6 sub X19 & X19 sub X15) => X6 sub X15) & ( (X6 sub X19 & X19 sub X16) => X6 sub X16) & ( (X6 sub X19 & X19 sub X17) => X6 sub X17) & ( (X6 sub X19 & X19 sub X18) => X6 sub X18) & ( (X6 sub X19 & X19 sub X20) => X6 sub X20) & ( (X6 sub X20 & X20 sub X1) => X6 sub X1) & ( (X6 sub X20 & X20 sub X2) => X6 sub X2) & ( (X6 sub X20 & X20 sub X3) => X6 sub X3) & ( (X6 sub X20 & X20 sub X4) => X6 sub X4) & ( (X6 sub X20 & X20 sub X5) => X6 sub X5) & ( (X6 sub X20 & X20 sub X7) => X6 sub X7) & ( (X6 sub X20 & X20 sub X8) => X6 sub X8) & ( (X6 sub X20 & X20 sub X9) => X6 sub X9) & ( (X6 sub X20 & X20 sub X10) => X6 sub X10) & ( (X6 sub X20 & X20 sub X11) => X6 sub X11) & ( (X6 sub X20 & X20 sub X12) => X6 sub X12) & ( (X6 sub X20 & X20 sub X13) => X6 sub X13) & ( (X6 sub X20 & X20 sub X14) => X6 sub X14) & ( (X6 sub X20 & X20 sub X15) => X6 sub X15) & ( (X6 sub X20 & X20 sub X16) => X6 sub X16) & ( (X6 sub X20 & X20 sub X17) => X6 sub X17) & ( (X6 sub X20 & X20 sub X18) => X6 sub X18) & ( (X6 sub X20 & X20 sub X19) => X6 sub X19) & ( (X7 sub X1 & X1 sub X2) => X7 sub X2) & ( (X7 sub X1 & X1 sub X3) => X7 sub X3) & ( (X7 sub X1 & X1 sub X4) => X7 sub X4) & ( (X7 sub X1 & X1 sub X5) => X7 sub X5) & ( (X7 sub X1 & X1 sub X6) => X7 sub X6) & ( (X7 sub X1 & X1 sub X8) => X7 sub X8) & ( (X7 sub X1 & X1 sub X9) => X7 sub X9) & ( (X7 sub X1 & X1 sub X10) => X7 sub X10) & ( (X7 sub X1 & X1 sub X11) => X7 sub X11) & ( (X7 sub X1 & X1 sub X12) => X7 sub X12) & ( (X7 sub X1 & X1 sub X13) => X7 sub X13) & ( (X7 sub X1 & X1 sub X14) => X7 sub X14) & ( (X7 sub X1 & X1 sub X15) => X7 sub X15) & ( (X7 sub X1 & X1 sub X16) => X7 sub X16) & ( (X7 sub X1 & X1 sub X17) => X7 sub X17) & ( (X7 sub X1 & X1 sub X18) => X7 sub X18) & ( (X7 sub X1 & X1 sub X19) => X7 sub X19) & ( (X7 sub X1 & X1 sub X20) => X7 sub X20) & ( (X7 sub X2 & X2 sub X1) => X7 sub X1) & ( (X7 sub X2 & X2 sub X3) => X7 sub X3) & ( (X7 sub X2 & X2 sub X4) => X7 sub X4) & ( (X7 sub X2 & X2 sub X5) => X7 sub X5) & ( (X7 sub X2 & X2 sub X6) => X7 sub X6) & ( (X7 sub X2 & X2 sub X8) => X7 sub X8) & ( (X7 sub X2 & X2 sub X9) => X7 sub X9) & ( (X7 sub X2 & X2 sub X10) => X7 sub X10) & ( (X7 sub X2 & X2 sub X11) => X7 sub X11) & ( (X7 sub X2 & X2 sub X12) => X7 sub X12) & ( (X7 sub X2 & X2 sub X13) => X7 sub X13) & ( (X7 sub X2 & X2 sub X14) => X7 sub X14) & ( (X7 sub X2 & X2 sub X15) => X7 sub X15) & ( (X7 sub X2 & X2 sub X16) => X7 sub X16) & ( (X7 sub X2 & X2 sub X17) => X7 sub X17) & ( (X7 sub X2 & X2 sub X18) => X7 sub X18) & ( (X7 sub X2 & X2 sub X19) => X7 sub X19) & ( (X7 sub X2 & X2 sub X20) => X7 sub X20) & ( (X7 sub X3 & X3 sub X1) => X7 sub X1) & ( (X7 sub X3 & X3 sub X2) => X7 sub X2) & ( (X7 sub X3 & X3 sub X4) => X7 sub X4) & ( (X7 sub X3 & X3 sub X5) => X7 sub X5) & ( (X7 sub X3 & X3 sub X6) => X7 sub X6) & ( (X7 sub X3 & X3 sub X8) => X7 sub X8) & ( (X7 sub X3 & X3 sub X9) => X7 sub X9) & ( (X7 sub X3 & X3 sub X10) => X7 sub X10) & ( (X7 sub X3 & X3 sub X11) => X7 sub X11) & ( (X7 sub X3 & X3 sub X12) => X7 sub X12) & ( (X7 sub X3 & X3 sub X13) => X7 sub X13) & ( (X7 sub X3 & X3 sub X14) => X7 sub X14) & ( (X7 sub X3 & X3 sub X15) => X7 sub X15) & ( (X7 sub X3 & X3 sub X16) => X7 sub X16) & ( (X7 sub X3 & X3 sub X17) => X7 sub X17) & ( (X7 sub X3 & X3 sub X18) => X7 sub X18) & ( (X7 sub X3 & X3 sub X19) => X7 sub X19) & ( (X7 sub X3 & X3 sub X20) => X7 sub X20) & ( (X7 sub X4 & X4 sub X1) => X7 sub X1) & ( (X7 sub X4 & X4 sub X2) => X7 sub X2) & ( (X7 sub X4 & X4 sub X3) => X7 sub X3) & ( (X7 sub X4 & X4 sub X5) => X7 sub X5) & ( (X7 sub X4 & X4 sub X6) => X7 sub X6) & ( (X7 sub X4 & X4 sub X8) => X7 sub X8) & ( (X7 sub X4 & X4 sub X9) => X7 sub X9) & ( (X7 sub X4 & X4 sub X10) => X7 sub X10) & ( (X7 sub X4 & X4 sub X11) => X7 sub X11) & ( (X7 sub X4 & X4 sub X12) => X7 sub X12) & ( (X7 sub X4 & X4 sub X13) => X7 sub X13) & ( (X7 sub X4 & X4 sub X14) => X7 sub X14) & ( (X7 sub X4 & X4 sub X15) => X7 sub X15) & ( (X7 sub X4 & X4 sub X16) => X7 sub X16) & ( (X7 sub X4 & X4 sub X17) => X7 sub X17) & ( (X7 sub X4 & X4 sub X18) => X7 sub X18) & ( (X7 sub X4 & X4 sub X19) => X7 sub X19) & ( (X7 sub X4 & X4 sub X20) => X7 sub X20) & ( (X7 sub X5 & X5 sub X1) => X7 sub X1) & ( (X7 sub X5 & X5 sub X2) => X7 sub X2) & ( (X7 sub X5 & X5 sub X3) => X7 sub X3) & ( (X7 sub X5 & X5 sub X4) => X7 sub X4) & ( (X7 sub X5 & X5 sub X6) => X7 sub X6) & ( (X7 sub X5 & X5 sub X8) => X7 sub X8) & ( (X7 sub X5 & X5 sub X9) => X7 sub X9) & ( (X7 sub X5 & X5 sub X10) => X7 sub X10) & ( (X7 sub X5 & X5 sub X11) => X7 sub X11) & ( (X7 sub X5 & X5 sub X12) => X7 sub X12) & ( (X7 sub X5 & X5 sub X13) => X7 sub X13) & ( (X7 sub X5 & X5 sub X14) => X7 sub X14) & ( (X7 sub X5 & X5 sub X15) => X7 sub X15) & ( (X7 sub X5 & X5 sub X16) => X7 sub X16) & ( (X7 sub X5 & X5 sub X17) => X7 sub X17) & ( (X7 sub X5 & X5 sub X18) => X7 sub X18) & ( (X7 sub X5 & X5 sub X19) => X7 sub X19) & ( (X7 sub X5 & X5 sub X20) => X7 sub X20) & ( (X7 sub X6 & X6 sub X1) => X7 sub X1) & ( (X7 sub X6 & X6 sub X2) => X7 sub X2) & ( (X7 sub X6 & X6 sub X3) => X7 sub X3) & ( (X7 sub X6 & X6 sub X4) => X7 sub X4) & ( (X7 sub X6 & X6 sub X5) => X7 sub X5) & ( (X7 sub X6 & X6 sub X8) => X7 sub X8) & ( (X7 sub X6 & X6 sub X9) => X7 sub X9) & ( (X7 sub X6 & X6 sub X10) => X7 sub X10) & ( (X7 sub X6 & X6 sub X11) => X7 sub X11) & ( (X7 sub X6 & X6 sub X12) => X7 sub X12) & ( (X7 sub X6 & X6 sub X13) => X7 sub X13) & ( (X7 sub X6 & X6 sub X14) => X7 sub X14) & ( (X7 sub X6 & X6 sub X15) => X7 sub X15) & ( (X7 sub X6 & X6 sub X16) => X7 sub X16) & ( (X7 sub X6 & X6 sub X17) => X7 sub X17) & ( (X7 sub X6 & X6 sub X18) => X7 sub X18) & ( (X7 sub X6 & X6 sub X19) => X7 sub X19) & ( (X7 sub X6 & X6 sub X20) => X7 sub X20) & ( (X7 sub X8 & X8 sub X1) => X7 sub X1) & ( (X7 sub X8 & X8 sub X2) => X7 sub X2) & ( (X7 sub X8 & X8 sub X3) => X7 sub X3) & ( (X7 sub X8 & X8 sub X4) => X7 sub X4) & ( (X7 sub X8 & X8 sub X5) => X7 sub X5) & ( (X7 sub X8 & X8 sub X6) => X7 sub X6) & ( (X7 sub X8 & X8 sub X9) => X7 sub X9) & ( (X7 sub X8 & X8 sub X10) => X7 sub X10) & ( (X7 sub X8 & X8 sub X11) => X7 sub X11) & ( (X7 sub X8 & X8 sub X12) => X7 sub X12) & ( (X7 sub X8 & X8 sub X13) => X7 sub X13) & ( (X7 sub X8 & X8 sub X14) => X7 sub X14) & ( (X7 sub X8 & X8 sub X15) => X7 sub X15) & ( (X7 sub X8 & X8 sub X16) => X7 sub X16) & ( (X7 sub X8 & X8 sub X17) => X7 sub X17) & ( (X7 sub X8 & X8 sub X18) => X7 sub X18) & ( (X7 sub X8 & X8 sub X19) => X7 sub X19) & ( (X7 sub X8 & X8 sub X20) => X7 sub X20) & ( (X7 sub X9 & X9 sub X1) => X7 sub X1) & ( (X7 sub X9 & X9 sub X2) => X7 sub X2) & ( (X7 sub X9 & X9 sub X3) => X7 sub X3) & ( (X7 sub X9 & X9 sub X4) => X7 sub X4) & ( (X7 sub X9 & X9 sub X5) => X7 sub X5) & ( (X7 sub X9 & X9 sub X6) => X7 sub X6) & ( (X7 sub X9 & X9 sub X8) => X7 sub X8) & ( (X7 sub X9 & X9 sub X10) => X7 sub X10) & ( (X7 sub X9 & X9 sub X11) => X7 sub X11) & ( (X7 sub X9 & X9 sub X12) => X7 sub X12) & ( (X7 sub X9 & X9 sub X13) => X7 sub X13) & ( (X7 sub X9 & X9 sub X14) => X7 sub X14) & ( (X7 sub X9 & X9 sub X15) => X7 sub X15) & ( (X7 sub X9 & X9 sub X16) => X7 sub X16) & ( (X7 sub X9 & X9 sub X17) => X7 sub X17) & ( (X7 sub X9 & X9 sub X18) => X7 sub X18) & ( (X7 sub X9 & X9 sub X19) => X7 sub X19) & ( (X7 sub X9 & X9 sub X20) => X7 sub X20) & ( (X7 sub X10 & X10 sub X1) => X7 sub X1) & ( (X7 sub X10 & X10 sub X2) => X7 sub X2) & ( (X7 sub X10 & X10 sub X3) => X7 sub X3) & ( (X7 sub X10 & X10 sub X4) => X7 sub X4) & ( (X7 sub X10 & X10 sub X5) => X7 sub X5) & ( (X7 sub X10 & X10 sub X6) => X7 sub X6) & ( (X7 sub X10 & X10 sub X8) => X7 sub X8) & ( (X7 sub X10 & X10 sub X9) => X7 sub X9) & ( (X7 sub X10 & X10 sub X11) => X7 sub X11) & ( (X7 sub X10 & X10 sub X12) => X7 sub X12) & ( (X7 sub X10 & X10 sub X13) => X7 sub X13) & ( (X7 sub X10 & X10 sub X14) => X7 sub X14) & ( (X7 sub X10 & X10 sub X15) => X7 sub X15) & ( (X7 sub X10 & X10 sub X16) => X7 sub X16) & ( (X7 sub X10 & X10 sub X17) => X7 sub X17) & ( (X7 sub X10 & X10 sub X18) => X7 sub X18) & ( (X7 sub X10 & X10 sub X19) => X7 sub X19) & ( (X7 sub X10 & X10 sub X20) => X7 sub X20) & ( (X7 sub X11 & X11 sub X1) => X7 sub X1) & ( (X7 sub X11 & X11 sub X2) => X7 sub X2) & ( (X7 sub X11 & X11 sub X3) => X7 sub X3) & ( (X7 sub X11 & X11 sub X4) => X7 sub X4) & ( (X7 sub X11 & X11 sub X5) => X7 sub X5) & ( (X7 sub X11 & X11 sub X6) => X7 sub X6) & ( (X7 sub X11 & X11 sub X8) => X7 sub X8) & ( (X7 sub X11 & X11 sub X9) => X7 sub X9) & ( (X7 sub X11 & X11 sub X10) => X7 sub X10) & ( (X7 sub X11 & X11 sub X12) => X7 sub X12) & ( (X7 sub X11 & X11 sub X13) => X7 sub X13) & ( (X7 sub X11 & X11 sub X14) => X7 sub X14) & ( (X7 sub X11 & X11 sub X15) => X7 sub X15) & ( (X7 sub X11 & X11 sub X16) => X7 sub X16) & ( (X7 sub X11 & X11 sub X17) => X7 sub X17) & ( (X7 sub X11 & X11 sub X18) => X7 sub X18) & ( (X7 sub X11 & X11 sub X19) => X7 sub X19) & ( (X7 sub X11 & X11 sub X20) => X7 sub X20) & ( (X7 sub X12 & X12 sub X1) => X7 sub X1) & ( (X7 sub X12 & X12 sub X2) => X7 sub X2) & ( (X7 sub X12 & X12 sub X3) => X7 sub X3) & ( (X7 sub X12 & X12 sub X4) => X7 sub X4) & ( (X7 sub X12 & X12 sub X5) => X7 sub X5) & ( (X7 sub X12 & X12 sub X6) => X7 sub X6) & ( (X7 sub X12 & X12 sub X8) => X7 sub X8) & ( (X7 sub X12 & X12 sub X9) => X7 sub X9) & ( (X7 sub X12 & X12 sub X10) => X7 sub X10) & ( (X7 sub X12 & X12 sub X11) => X7 sub X11) & ( (X7 sub X12 & X12 sub X13) => X7 sub X13) & ( (X7 sub X12 & X12 sub X14) => X7 sub X14) & ( (X7 sub X12 & X12 sub X15) => X7 sub X15) & ( (X7 sub X12 & X12 sub X16) => X7 sub X16) & ( (X7 sub X12 & X12 sub X17) => X7 sub X17) & ( (X7 sub X12 & X12 sub X18) => X7 sub X18) & ( (X7 sub X12 & X12 sub X19) => X7 sub X19) & ( (X7 sub X12 & X12 sub X20) => X7 sub X20) & ( (X7 sub X13 & X13 sub X1) => X7 sub X1) & ( (X7 sub X13 & X13 sub X2) => X7 sub X2) & ( (X7 sub X13 & X13 sub X3) => X7 sub X3) & ( (X7 sub X13 & X13 sub X4) => X7 sub X4) & ( (X7 sub X13 & X13 sub X5) => X7 sub X5) & ( (X7 sub X13 & X13 sub X6) => X7 sub X6) & ( (X7 sub X13 & X13 sub X8) => X7 sub X8) & ( (X7 sub X13 & X13 sub X9) => X7 sub X9) & ( (X7 sub X13 & X13 sub X10) => X7 sub X10) & ( (X7 sub X13 & X13 sub X11) => X7 sub X11) & ( (X7 sub X13 & X13 sub X12) => X7 sub X12) & ( (X7 sub X13 & X13 sub X14) => X7 sub X14) & ( (X7 sub X13 & X13 sub X15) => X7 sub X15) & ( (X7 sub X13 & X13 sub X16) => X7 sub X16) & ( (X7 sub X13 & X13 sub X17) => X7 sub X17) & ( (X7 sub X13 & X13 sub X18) => X7 sub X18) & ( (X7 sub X13 & X13 sub X19) => X7 sub X19) & ( (X7 sub X13 & X13 sub X20) => X7 sub X20) & ( (X7 sub X14 & X14 sub X1) => X7 sub X1) & ( (X7 sub X14 & X14 sub X2) => X7 sub X2) & ( (X7 sub X14 & X14 sub X3) => X7 sub X3) & ( (X7 sub X14 & X14 sub X4) => X7 sub X4) & ( (X7 sub X14 & X14 sub X5) => X7 sub X5) & ( (X7 sub X14 & X14 sub X6) => X7 sub X6) & ( (X7 sub X14 & X14 sub X8) => X7 sub X8) & ( (X7 sub X14 & X14 sub X9) => X7 sub X9) & ( (X7 sub X14 & X14 sub X10) => X7 sub X10) & ( (X7 sub X14 & X14 sub X11) => X7 sub X11) & ( (X7 sub X14 & X14 sub X12) => X7 sub X12) & ( (X7 sub X14 & X14 sub X13) => X7 sub X13) & ( (X7 sub X14 & X14 sub X15) => X7 sub X15) & ( (X7 sub X14 & X14 sub X16) => X7 sub X16) & ( (X7 sub X14 & X14 sub X17) => X7 sub X17) & ( (X7 sub X14 & X14 sub X18) => X7 sub X18) & ( (X7 sub X14 & X14 sub X19) => X7 sub X19) & ( (X7 sub X14 & X14 sub X20) => X7 sub X20) & ( (X7 sub X15 & X15 sub X1) => X7 sub X1) & ( (X7 sub X15 & X15 sub X2) => X7 sub X2) & ( (X7 sub X15 & X15 sub X3) => X7 sub X3) & ( (X7 sub X15 & X15 sub X4) => X7 sub X4) & ( (X7 sub X15 & X15 sub X5) => X7 sub X5) & ( (X7 sub X15 & X15 sub X6) => X7 sub X6) & ( (X7 sub X15 & X15 sub X8) => X7 sub X8) & ( (X7 sub X15 & X15 sub X9) => X7 sub X9) & ( (X7 sub X15 & X15 sub X10) => X7 sub X10) & ( (X7 sub X15 & X15 sub X11) => X7 sub X11) & ( (X7 sub X15 & X15 sub X12) => X7 sub X12) & ( (X7 sub X15 & X15 sub X13) => X7 sub X13) & ( (X7 sub X15 & X15 sub X14) => X7 sub X14) & ( (X7 sub X15 & X15 sub X16) => X7 sub X16) & ( (X7 sub X15 & X15 sub X17) => X7 sub X17) & ( (X7 sub X15 & X15 sub X18) => X7 sub X18) & ( (X7 sub X15 & X15 sub X19) => X7 sub X19) & ( (X7 sub X15 & X15 sub X20) => X7 sub X20) & ( (X7 sub X16 & X16 sub X1) => X7 sub X1) & ( (X7 sub X16 & X16 sub X2) => X7 sub X2) & ( (X7 sub X16 & X16 sub X3) => X7 sub X3) & ( (X7 sub X16 & X16 sub X4) => X7 sub X4) & ( (X7 sub X16 & X16 sub X5) => X7 sub X5) & ( (X7 sub X16 & X16 sub X6) => X7 sub X6) & ( (X7 sub X16 & X16 sub X8) => X7 sub X8) & ( (X7 sub X16 & X16 sub X9) => X7 sub X9) & ( (X7 sub X16 & X16 sub X10) => X7 sub X10) & ( (X7 sub X16 & X16 sub X11) => X7 sub X11) & ( (X7 sub X16 & X16 sub X12) => X7 sub X12) & ( (X7 sub X16 & X16 sub X13) => X7 sub X13) & ( (X7 sub X16 & X16 sub X14) => X7 sub X14) & ( (X7 sub X16 & X16 sub X15) => X7 sub X15) & ( (X7 sub X16 & X16 sub X17) => X7 sub X17) & ( (X7 sub X16 & X16 sub X18) => X7 sub X18) & ( (X7 sub X16 & X16 sub X19) => X7 sub X19) & ( (X7 sub X16 & X16 sub X20) => X7 sub X20) & ( (X7 sub X17 & X17 sub X1) => X7 sub X1) & ( (X7 sub X17 & X17 sub X2) => X7 sub X2) & ( (X7 sub X17 & X17 sub X3) => X7 sub X3) & ( (X7 sub X17 & X17 sub X4) => X7 sub X4) & ( (X7 sub X17 & X17 sub X5) => X7 sub X5) & ( (X7 sub X17 & X17 sub X6) => X7 sub X6) & ( (X7 sub X17 & X17 sub X8) => X7 sub X8) & ( (X7 sub X17 & X17 sub X9) => X7 sub X9) & ( (X7 sub X17 & X17 sub X10) => X7 sub X10) & ( (X7 sub X17 & X17 sub X11) => X7 sub X11) & ( (X7 sub X17 & X17 sub X12) => X7 sub X12) & ( (X7 sub X17 & X17 sub X13) => X7 sub X13) & ( (X7 sub X17 & X17 sub X14) => X7 sub X14) & ( (X7 sub X17 & X17 sub X15) => X7 sub X15) & ( (X7 sub X17 & X17 sub X16) => X7 sub X16) & ( (X7 sub X17 & X17 sub X18) => X7 sub X18) & ( (X7 sub X17 & X17 sub X19) => X7 sub X19) & ( (X7 sub X17 & X17 sub X20) => X7 sub X20) & ( (X7 sub X18 & X18 sub X1) => X7 sub X1) & ( (X7 sub X18 & X18 sub X2) => X7 sub X2) & ( (X7 sub X18 & X18 sub X3) => X7 sub X3) & ( (X7 sub X18 & X18 sub X4) => X7 sub X4) & ( (X7 sub X18 & X18 sub X5) => X7 sub X5) & ( (X7 sub X18 & X18 sub X6) => X7 sub X6) & ( (X7 sub X18 & X18 sub X8) => X7 sub X8) & ( (X7 sub X18 & X18 sub X9) => X7 sub X9) & ( (X7 sub X18 & X18 sub X10) => X7 sub X10) & ( (X7 sub X18 & X18 sub X11) => X7 sub X11) & ( (X7 sub X18 & X18 sub X12) => X7 sub X12) & ( (X7 sub X18 & X18 sub X13) => X7 sub X13) & ( (X7 sub X18 & X18 sub X14) => X7 sub X14) & ( (X7 sub X18 & X18 sub X15) => X7 sub X15) & ( (X7 sub X18 & X18 sub X16) => X7 sub X16) & ( (X7 sub X18 & X18 sub X17) => X7 sub X17) & ( (X7 sub X18 & X18 sub X19) => X7 sub X19) & ( (X7 sub X18 & X18 sub X20) => X7 sub X20) & ( (X7 sub X19 & X19 sub X1) => X7 sub X1) & ( (X7 sub X19 & X19 sub X2) => X7 sub X2) & ( (X7 sub X19 & X19 sub X3) => X7 sub X3) & ( (X7 sub X19 & X19 sub X4) => X7 sub X4) & ( (X7 sub X19 & X19 sub X5) => X7 sub X5) & ( (X7 sub X19 & X19 sub X6) => X7 sub X6) & ( (X7 sub X19 & X19 sub X8) => X7 sub X8) & ( (X7 sub X19 & X19 sub X9) => X7 sub X9) & ( (X7 sub X19 & X19 sub X10) => X7 sub X10) & ( (X7 sub X19 & X19 sub X11) => X7 sub X11) & ( (X7 sub X19 & X19 sub X12) => X7 sub X12) & ( (X7 sub X19 & X19 sub X13) => X7 sub X13) & ( (X7 sub X19 & X19 sub X14) => X7 sub X14) & ( (X7 sub X19 & X19 sub X15) => X7 sub X15) & ( (X7 sub X19 & X19 sub X16) => X7 sub X16) & ( (X7 sub X19 & X19 sub X17) => X7 sub X17) & ( (X7 sub X19 & X19 sub X18) => X7 sub X18) & ( (X7 sub X19 & X19 sub X20) => X7 sub X20) & ( (X7 sub X20 & X20 sub X1) => X7 sub X1) & ( (X7 sub X20 & X20 sub X2) => X7 sub X2) & ( (X7 sub X20 & X20 sub X3) => X7 sub X3) & ( (X7 sub X20 & X20 sub X4) => X7 sub X4) & ( (X7 sub X20 & X20 sub X5) => X7 sub X5) & ( (X7 sub X20 & X20 sub X6) => X7 sub X6) & ( (X7 sub X20 & X20 sub X8) => X7 sub X8) & ( (X7 sub X20 & X20 sub X9) => X7 sub X9) & ( (X7 sub X20 & X20 sub X10) => X7 sub X10) & ( (X7 sub X20 & X20 sub X11) => X7 sub X11) & ( (X7 sub X20 & X20 sub X12) => X7 sub X12) & ( (X7 sub X20 & X20 sub X13) => X7 sub X13) & ( (X7 sub X20 & X20 sub X14) => X7 sub X14) & ( (X7 sub X20 & X20 sub X15) => X7 sub X15) & ( (X7 sub X20 & X20 sub X16) => X7 sub X16) & ( (X7 sub X20 & X20 sub X17) => X7 sub X17) & ( (X7 sub X20 & X20 sub X18) => X7 sub X18) & ( (X7 sub X20 & X20 sub X19) => X7 sub X19) & ( (X8 sub X1 & X1 sub X2) => X8 sub X2) & ( (X8 sub X1 & X1 sub X3) => X8 sub X3) & ( (X8 sub X1 & X1 sub X4) => X8 sub X4) & ( (X8 sub X1 & X1 sub X5) => X8 sub X5) & ( (X8 sub X1 & X1 sub X6) => X8 sub X6) & ( (X8 sub X1 & X1 sub X7) => X8 sub X7) & ( (X8 sub X1 & X1 sub X9) => X8 sub X9) & ( (X8 sub X1 & X1 sub X10) => X8 sub X10) & ( (X8 sub X1 & X1 sub X11) => X8 sub X11) & ( (X8 sub X1 & X1 sub X12) => X8 sub X12) & ( (X8 sub X1 & X1 sub X13) => X8 sub X13) & ( (X8 sub X1 & X1 sub X14) => X8 sub X14) & ( (X8 sub X1 & X1 sub X15) => X8 sub X15) & ( (X8 sub X1 & X1 sub X16) => X8 sub X16) & ( (X8 sub X1 & X1 sub X17) => X8 sub X17) & ( (X8 sub X1 & X1 sub X18) => X8 sub X18) & ( (X8 sub X1 & X1 sub X19) => X8 sub X19) & ( (X8 sub X1 & X1 sub X20) => X8 sub X20) & ( (X8 sub X2 & X2 sub X1) => X8 sub X1) & ( (X8 sub X2 & X2 sub X3) => X8 sub X3) & ( (X8 sub X2 & X2 sub X4) => X8 sub X4) & ( (X8 sub X2 & X2 sub X5) => X8 sub X5) & ( (X8 sub X2 & X2 sub X6) => X8 sub X6) & ( (X8 sub X2 & X2 sub X7) => X8 sub X7) & ( (X8 sub X2 & X2 sub X9) => X8 sub X9) & ( (X8 sub X2 & X2 sub X10) => X8 sub X10) & ( (X8 sub X2 & X2 sub X11) => X8 sub X11) & ( (X8 sub X2 & X2 sub X12) => X8 sub X12) & ( (X8 sub X2 & X2 sub X13) => X8 sub X13) & ( (X8 sub X2 & X2 sub X14) => X8 sub X14) & ( (X8 sub X2 & X2 sub X15) => X8 sub X15) & ( (X8 sub X2 & X2 sub X16) => X8 sub X16) & ( (X8 sub X2 & X2 sub X17) => X8 sub X17) & ( (X8 sub X2 & X2 sub X18) => X8 sub X18) & ( (X8 sub X2 & X2 sub X19) => X8 sub X19) & ( (X8 sub X2 & X2 sub X20) => X8 sub X20) & ( (X8 sub X3 & X3 sub X1) => X8 sub X1) & ( (X8 sub X3 & X3 sub X2) => X8 sub X2) & ( (X8 sub X3 & X3 sub X4) => X8 sub X4) & ( (X8 sub X3 & X3 sub X5) => X8 sub X5) & ( (X8 sub X3 & X3 sub X6) => X8 sub X6) & ( (X8 sub X3 & X3 sub X7) => X8 sub X7) & ( (X8 sub X3 & X3 sub X9) => X8 sub X9) & ( (X8 sub X3 & X3 sub X10) => X8 sub X10) & ( (X8 sub X3 & X3 sub X11) => X8 sub X11) & ( (X8 sub X3 & X3 sub X12) => X8 sub X12) & ( (X8 sub X3 & X3 sub X13) => X8 sub X13) & ( (X8 sub X3 & X3 sub X14) => X8 sub X14) & ( (X8 sub X3 & X3 sub X15) => X8 sub X15) & ( (X8 sub X3 & X3 sub X16) => X8 sub X16) & ( (X8 sub X3 & X3 sub X17) => X8 sub X17) & ( (X8 sub X3 & X3 sub X18) => X8 sub X18) & ( (X8 sub X3 & X3 sub X19) => X8 sub X19) & ( (X8 sub X3 & X3 sub X20) => X8 sub X20) & ( (X8 sub X4 & X4 sub X1) => X8 sub X1) & ( (X8 sub X4 & X4 sub X2) => X8 sub X2) & ( (X8 sub X4 & X4 sub X3) => X8 sub X3) & ( (X8 sub X4 & X4 sub X5) => X8 sub X5) & ( (X8 sub X4 & X4 sub X6) => X8 sub X6) & ( (X8 sub X4 & X4 sub X7) => X8 sub X7) & ( (X8 sub X4 & X4 sub X9) => X8 sub X9) & ( (X8 sub X4 & X4 sub X10) => X8 sub X10) & ( (X8 sub X4 & X4 sub X11) => X8 sub X11) & ( (X8 sub X4 & X4 sub X12) => X8 sub X12) & ( (X8 sub X4 & X4 sub X13) => X8 sub X13) & ( (X8 sub X4 & X4 sub X14) => X8 sub X14) & ( (X8 sub X4 & X4 sub X15) => X8 sub X15) & ( (X8 sub X4 & X4 sub X16) => X8 sub X16) & ( (X8 sub X4 & X4 sub X17) => X8 sub X17) & ( (X8 sub X4 & X4 sub X18) => X8 sub X18) & ( (X8 sub X4 & X4 sub X19) => X8 sub X19) & ( (X8 sub X4 & X4 sub X20) => X8 sub X20) & ( (X8 sub X5 & X5 sub X1) => X8 sub X1) & ( (X8 sub X5 & X5 sub X2) => X8 sub X2) & ( (X8 sub X5 & X5 sub X3) => X8 sub X3) & ( (X8 sub X5 & X5 sub X4) => X8 sub X4) & ( (X8 sub X5 & X5 sub X6) => X8 sub X6) & ( (X8 sub X5 & X5 sub X7) => X8 sub X7) & ( (X8 sub X5 & X5 sub X9) => X8 sub X9) & ( (X8 sub X5 & X5 sub X10) => X8 sub X10) & ( (X8 sub X5 & X5 sub X11) => X8 sub X11) & ( (X8 sub X5 & X5 sub X12) => X8 sub X12) & ( (X8 sub X5 & X5 sub X13) => X8 sub X13) & ( (X8 sub X5 & X5 sub X14) => X8 sub X14) & ( (X8 sub X5 & X5 sub X15) => X8 sub X15) & ( (X8 sub X5 & X5 sub X16) => X8 sub X16) & ( (X8 sub X5 & X5 sub X17) => X8 sub X17) & ( (X8 sub X5 & X5 sub X18) => X8 sub X18) & ( (X8 sub X5 & X5 sub X19) => X8 sub X19) & ( (X8 sub X5 & X5 sub X20) => X8 sub X20) & ( (X8 sub X6 & X6 sub X1) => X8 sub X1) & ( (X8 sub X6 & X6 sub X2) => X8 sub X2) & ( (X8 sub X6 & X6 sub X3) => X8 sub X3) & ( (X8 sub X6 & X6 sub X4) => X8 sub X4) & ( (X8 sub X6 & X6 sub X5) => X8 sub X5) & ( (X8 sub X6 & X6 sub X7) => X8 sub X7) & ( (X8 sub X6 & X6 sub X9) => X8 sub X9) & ( (X8 sub X6 & X6 sub X10) => X8 sub X10) & ( (X8 sub X6 & X6 sub X11) => X8 sub X11) & ( (X8 sub X6 & X6 sub X12) => X8 sub X12) & ( (X8 sub X6 & X6 sub X13) => X8 sub X13) & ( (X8 sub X6 & X6 sub X14) => X8 sub X14) & ( (X8 sub X6 & X6 sub X15) => X8 sub X15) & ( (X8 sub X6 & X6 sub X16) => X8 sub X16) & ( (X8 sub X6 & X6 sub X17) => X8 sub X17) & ( (X8 sub X6 & X6 sub X18) => X8 sub X18) & ( (X8 sub X6 & X6 sub X19) => X8 sub X19) & ( (X8 sub X6 & X6 sub X20) => X8 sub X20) & ( (X8 sub X7 & X7 sub X1) => X8 sub X1) & ( (X8 sub X7 & X7 sub X2) => X8 sub X2) & ( (X8 sub X7 & X7 sub X3) => X8 sub X3) & ( (X8 sub X7 & X7 sub X4) => X8 sub X4) & ( (X8 sub X7 & X7 sub X5) => X8 sub X5) & ( (X8 sub X7 & X7 sub X6) => X8 sub X6) & ( (X8 sub X7 & X7 sub X9) => X8 sub X9) & ( (X8 sub X7 & X7 sub X10) => X8 sub X10) & ( (X8 sub X7 & X7 sub X11) => X8 sub X11) & ( (X8 sub X7 & X7 sub X12) => X8 sub X12) & ( (X8 sub X7 & X7 sub X13) => X8 sub X13) & ( (X8 sub X7 & X7 sub X14) => X8 sub X14) & ( (X8 sub X7 & X7 sub X15) => X8 sub X15) & ( (X8 sub X7 & X7 sub X16) => X8 sub X16) & ( (X8 sub X7 & X7 sub X17) => X8 sub X17) & ( (X8 sub X7 & X7 sub X18) => X8 sub X18) & ( (X8 sub X7 & X7 sub X19) => X8 sub X19) & ( (X8 sub X7 & X7 sub X20) => X8 sub X20) & ( (X8 sub X9 & X9 sub X1) => X8 sub X1) & ( (X8 sub X9 & X9 sub X2) => X8 sub X2) & ( (X8 sub X9 & X9 sub X3) => X8 sub X3) & ( (X8 sub X9 & X9 sub X4) => X8 sub X4) & ( (X8 sub X9 & X9 sub X5) => X8 sub X5) & ( (X8 sub X9 & X9 sub X6) => X8 sub X6) & ( (X8 sub X9 & X9 sub X7) => X8 sub X7) & ( (X8 sub X9 & X9 sub X10) => X8 sub X10) & ( (X8 sub X9 & X9 sub X11) => X8 sub X11) & ( (X8 sub X9 & X9 sub X12) => X8 sub X12) & ( (X8 sub X9 & X9 sub X13) => X8 sub X13) & ( (X8 sub X9 & X9 sub X14) => X8 sub X14) & ( (X8 sub X9 & X9 sub X15) => X8 sub X15) & ( (X8 sub X9 & X9 sub X16) => X8 sub X16) & ( (X8 sub X9 & X9 sub X17) => X8 sub X17) & ( (X8 sub X9 & X9 sub X18) => X8 sub X18) & ( (X8 sub X9 & X9 sub X19) => X8 sub X19) & ( (X8 sub X9 & X9 sub X20) => X8 sub X20) & ( (X8 sub X10 & X10 sub X1) => X8 sub X1) & ( (X8 sub X10 & X10 sub X2) => X8 sub X2) & ( (X8 sub X10 & X10 sub X3) => X8 sub X3) & ( (X8 sub X10 & X10 sub X4) => X8 sub X4) & ( (X8 sub X10 & X10 sub X5) => X8 sub X5) & ( (X8 sub X10 & X10 sub X6) => X8 sub X6) & ( (X8 sub X10 & X10 sub X7) => X8 sub X7) & ( (X8 sub X10 & X10 sub X9) => X8 sub X9) & ( (X8 sub X10 & X10 sub X11) => X8 sub X11) & ( (X8 sub X10 & X10 sub X12) => X8 sub X12) & ( (X8 sub X10 & X10 sub X13) => X8 sub X13) & ( (X8 sub X10 & X10 sub X14) => X8 sub X14) & ( (X8 sub X10 & X10 sub X15) => X8 sub X15) & ( (X8 sub X10 & X10 sub X16) => X8 sub X16) & ( (X8 sub X10 & X10 sub X17) => X8 sub X17) & ( (X8 sub X10 & X10 sub X18) => X8 sub X18) & ( (X8 sub X10 & X10 sub X19) => X8 sub X19) & ( (X8 sub X10 & X10 sub X20) => X8 sub X20) & ( (X8 sub X11 & X11 sub X1) => X8 sub X1) & ( (X8 sub X11 & X11 sub X2) => X8 sub X2) & ( (X8 sub X11 & X11 sub X3) => X8 sub X3) & ( (X8 sub X11 & X11 sub X4) => X8 sub X4) & ( (X8 sub X11 & X11 sub X5) => X8 sub X5) & ( (X8 sub X11 & X11 sub X6) => X8 sub X6) & ( (X8 sub X11 & X11 sub X7) => X8 sub X7) & ( (X8 sub X11 & X11 sub X9) => X8 sub X9) & ( (X8 sub X11 & X11 sub X10) => X8 sub X10) & ( (X8 sub X11 & X11 sub X12) => X8 sub X12) & ( (X8 sub X11 & X11 sub X13) => X8 sub X13) & ( (X8 sub X11 & X11 sub X14) => X8 sub X14) & ( (X8 sub X11 & X11 sub X15) => X8 sub X15) & ( (X8 sub X11 & X11 sub X16) => X8 sub X16) & ( (X8 sub X11 & X11 sub X17) => X8 sub X17) & ( (X8 sub X11 & X11 sub X18) => X8 sub X18) & ( (X8 sub X11 & X11 sub X19) => X8 sub X19) & ( (X8 sub X11 & X11 sub X20) => X8 sub X20) & ( (X8 sub X12 & X12 sub X1) => X8 sub X1) & ( (X8 sub X12 & X12 sub X2) => X8 sub X2) & ( (X8 sub X12 & X12 sub X3) => X8 sub X3) & ( (X8 sub X12 & X12 sub X4) => X8 sub X4) & ( (X8 sub X12 & X12 sub X5) => X8 sub X5) & ( (X8 sub X12 & X12 sub X6) => X8 sub X6) & ( (X8 sub X12 & X12 sub X7) => X8 sub X7) & ( (X8 sub X12 & X12 sub X9) => X8 sub X9) & ( (X8 sub X12 & X12 sub X10) => X8 sub X10) & ( (X8 sub X12 & X12 sub X11) => X8 sub X11) & ( (X8 sub X12 & X12 sub X13) => X8 sub X13) & ( (X8 sub X12 & X12 sub X14) => X8 sub X14) & ( (X8 sub X12 & X12 sub X15) => X8 sub X15) & ( (X8 sub X12 & X12 sub X16) => X8 sub X16) & ( (X8 sub X12 & X12 sub X17) => X8 sub X17) & ( (X8 sub X12 & X12 sub X18) => X8 sub X18) & ( (X8 sub X12 & X12 sub X19) => X8 sub X19) & ( (X8 sub X12 & X12 sub X20) => X8 sub X20) & ( (X8 sub X13 & X13 sub X1) => X8 sub X1) & ( (X8 sub X13 & X13 sub X2) => X8 sub X2) & ( (X8 sub X13 & X13 sub X3) => X8 sub X3) & ( (X8 sub X13 & X13 sub X4) => X8 sub X4) & ( (X8 sub X13 & X13 sub X5) => X8 sub X5) & ( (X8 sub X13 & X13 sub X6) => X8 sub X6) & ( (X8 sub X13 & X13 sub X7) => X8 sub X7) & ( (X8 sub X13 & X13 sub X9) => X8 sub X9) & ( (X8 sub X13 & X13 sub X10) => X8 sub X10) & ( (X8 sub X13 & X13 sub X11) => X8 sub X11) & ( (X8 sub X13 & X13 sub X12) => X8 sub X12) & ( (X8 sub X13 & X13 sub X14) => X8 sub X14) & ( (X8 sub X13 & X13 sub X15) => X8 sub X15) & ( (X8 sub X13 & X13 sub X16) => X8 sub X16) & ( (X8 sub X13 & X13 sub X17) => X8 sub X17) & ( (X8 sub X13 & X13 sub X18) => X8 sub X18) & ( (X8 sub X13 & X13 sub X19) => X8 sub X19) & ( (X8 sub X13 & X13 sub X20) => X8 sub X20) & ( (X8 sub X14 & X14 sub X1) => X8 sub X1) & ( (X8 sub X14 & X14 sub X2) => X8 sub X2) & ( (X8 sub X14 & X14 sub X3) => X8 sub X3) & ( (X8 sub X14 & X14 sub X4) => X8 sub X4) & ( (X8 sub X14 & X14 sub X5) => X8 sub X5) & ( (X8 sub X14 & X14 sub X6) => X8 sub X6) & ( (X8 sub X14 & X14 sub X7) => X8 sub X7) & ( (X8 sub X14 & X14 sub X9) => X8 sub X9) & ( (X8 sub X14 & X14 sub X10) => X8 sub X10) & ( (X8 sub X14 & X14 sub X11) => X8 sub X11) & ( (X8 sub X14 & X14 sub X12) => X8 sub X12) & ( (X8 sub X14 & X14 sub X13) => X8 sub X13) & ( (X8 sub X14 & X14 sub X15) => X8 sub X15) & ( (X8 sub X14 & X14 sub X16) => X8 sub X16) & ( (X8 sub X14 & X14 sub X17) => X8 sub X17) & ( (X8 sub X14 & X14 sub X18) => X8 sub X18) & ( (X8 sub X14 & X14 sub X19) => X8 sub X19) & ( (X8 sub X14 & X14 sub X20) => X8 sub X20) & ( (X8 sub X15 & X15 sub X1) => X8 sub X1) & ( (X8 sub X15 & X15 sub X2) => X8 sub X2) & ( (X8 sub X15 & X15 sub X3) => X8 sub X3) & ( (X8 sub X15 & X15 sub X4) => X8 sub X4) & ( (X8 sub X15 & X15 sub X5) => X8 sub X5) & ( (X8 sub X15 & X15 sub X6) => X8 sub X6) & ( (X8 sub X15 & X15 sub X7) => X8 sub X7) & ( (X8 sub X15 & X15 sub X9) => X8 sub X9) & ( (X8 sub X15 & X15 sub X10) => X8 sub X10) & ( (X8 sub X15 & X15 sub X11) => X8 sub X11) & ( (X8 sub X15 & X15 sub X12) => X8 sub X12) & ( (X8 sub X15 & X15 sub X13) => X8 sub X13) & ( (X8 sub X15 & X15 sub X14) => X8 sub X14) & ( (X8 sub X15 & X15 sub X16) => X8 sub X16) & ( (X8 sub X15 & X15 sub X17) => X8 sub X17) & ( (X8 sub X15 & X15 sub X18) => X8 sub X18) & ( (X8 sub X15 & X15 sub X19) => X8 sub X19) & ( (X8 sub X15 & X15 sub X20) => X8 sub X20) & ( (X8 sub X16 & X16 sub X1) => X8 sub X1) & ( (X8 sub X16 & X16 sub X2) => X8 sub X2) & ( (X8 sub X16 & X16 sub X3) => X8 sub X3) & ( (X8 sub X16 & X16 sub X4) => X8 sub X4) & ( (X8 sub X16 & X16 sub X5) => X8 sub X5) & ( (X8 sub X16 & X16 sub X6) => X8 sub X6) & ( (X8 sub X16 & X16 sub X7) => X8 sub X7) & ( (X8 sub X16 & X16 sub X9) => X8 sub X9) & ( (X8 sub X16 & X16 sub X10) => X8 sub X10) & ( (X8 sub X16 & X16 sub X11) => X8 sub X11) & ( (X8 sub X16 & X16 sub X12) => X8 sub X12) & ( (X8 sub X16 & X16 sub X13) => X8 sub X13) & ( (X8 sub X16 & X16 sub X14) => X8 sub X14) & ( (X8 sub X16 & X16 sub X15) => X8 sub X15) & ( (X8 sub X16 & X16 sub X17) => X8 sub X17) & ( (X8 sub X16 & X16 sub X18) => X8 sub X18) & ( (X8 sub X16 & X16 sub X19) => X8 sub X19) & ( (X8 sub X16 & X16 sub X20) => X8 sub X20) & ( (X8 sub X17 & X17 sub X1) => X8 sub X1) & ( (X8 sub X17 & X17 sub X2) => X8 sub X2) & ( (X8 sub X17 & X17 sub X3) => X8 sub X3) & ( (X8 sub X17 & X17 sub X4) => X8 sub X4) & ( (X8 sub X17 & X17 sub X5) => X8 sub X5) & ( (X8 sub X17 & X17 sub X6) => X8 sub X6) & ( (X8 sub X17 & X17 sub X7) => X8 sub X7) & ( (X8 sub X17 & X17 sub X9) => X8 sub X9) & ( (X8 sub X17 & X17 sub X10) => X8 sub X10) & ( (X8 sub X17 & X17 sub X11) => X8 sub X11) & ( (X8 sub X17 & X17 sub X12) => X8 sub X12) & ( (X8 sub X17 & X17 sub X13) => X8 sub X13) & ( (X8 sub X17 & X17 sub X14) => X8 sub X14) & ( (X8 sub X17 & X17 sub X15) => X8 sub X15) & ( (X8 sub X17 & X17 sub X16) => X8 sub X16) & ( (X8 sub X17 & X17 sub X18) => X8 sub X18) & ( (X8 sub X17 & X17 sub X19) => X8 sub X19) & ( (X8 sub X17 & X17 sub X20) => X8 sub X20) & ( (X8 sub X18 & X18 sub X1) => X8 sub X1) & ( (X8 sub X18 & X18 sub X2) => X8 sub X2) & ( (X8 sub X18 & X18 sub X3) => X8 sub X3) & ( (X8 sub X18 & X18 sub X4) => X8 sub X4) & ( (X8 sub X18 & X18 sub X5) => X8 sub X5) & ( (X8 sub X18 & X18 sub X6) => X8 sub X6) & ( (X8 sub X18 & X18 sub X7) => X8 sub X7) & ( (X8 sub X18 & X18 sub X9) => X8 sub X9) & ( (X8 sub X18 & X18 sub X10) => X8 sub X10) & ( (X8 sub X18 & X18 sub X11) => X8 sub X11) & ( (X8 sub X18 & X18 sub X12) => X8 sub X12) & ( (X8 sub X18 & X18 sub X13) => X8 sub X13) & ( (X8 sub X18 & X18 sub X14) => X8 sub X14) & ( (X8 sub X18 & X18 sub X15) => X8 sub X15) & ( (X8 sub X18 & X18 sub X16) => X8 sub X16) & ( (X8 sub X18 & X18 sub X17) => X8 sub X17) & ( (X8 sub X18 & X18 sub X19) => X8 sub X19) & ( (X8 sub X18 & X18 sub X20) => X8 sub X20) & ( (X8 sub X19 & X19 sub X1) => X8 sub X1) & ( (X8 sub X19 & X19 sub X2) => X8 sub X2) & ( (X8 sub X19 & X19 sub X3) => X8 sub X3) & ( (X8 sub X19 & X19 sub X4) => X8 sub X4) & ( (X8 sub X19 & X19 sub X5) => X8 sub X5) & ( (X8 sub X19 & X19 sub X6) => X8 sub X6) & ( (X8 sub X19 & X19 sub X7) => X8 sub X7) & ( (X8 sub X19 & X19 sub X9) => X8 sub X9) & ( (X8 sub X19 & X19 sub X10) => X8 sub X10) & ( (X8 sub X19 & X19 sub X11) => X8 sub X11) & ( (X8 sub X19 & X19 sub X12) => X8 sub X12) & ( (X8 sub X19 & X19 sub X13) => X8 sub X13) & ( (X8 sub X19 & X19 sub X14) => X8 sub X14) & ( (X8 sub X19 & X19 sub X15) => X8 sub X15) & ( (X8 sub X19 & X19 sub X16) => X8 sub X16) & ( (X8 sub X19 & X19 sub X17) => X8 sub X17) & ( (X8 sub X19 & X19 sub X18) => X8 sub X18) & ( (X8 sub X19 & X19 sub X20) => X8 sub X20) & ( (X8 sub X20 & X20 sub X1) => X8 sub X1) & ( (X8 sub X20 & X20 sub X2) => X8 sub X2) & ( (X8 sub X20 & X20 sub X3) => X8 sub X3) & ( (X8 sub X20 & X20 sub X4) => X8 sub X4) & ( (X8 sub X20 & X20 sub X5) => X8 sub X5) & ( (X8 sub X20 & X20 sub X6) => X8 sub X6) & ( (X8 sub X20 & X20 sub X7) => X8 sub X7) & ( (X8 sub X20 & X20 sub X9) => X8 sub X9) & ( (X8 sub X20 & X20 sub X10) => X8 sub X10) & ( (X8 sub X20 & X20 sub X11) => X8 sub X11) & ( (X8 sub X20 & X20 sub X12) => X8 sub X12) & ( (X8 sub X20 & X20 sub X13) => X8 sub X13) & ( (X8 sub X20 & X20 sub X14) => X8 sub X14) & ( (X8 sub X20 & X20 sub X15) => X8 sub X15) & ( (X8 sub X20 & X20 sub X16) => X8 sub X16) & ( (X8 sub X20 & X20 sub X17) => X8 sub X17) & ( (X8 sub X20 & X20 sub X18) => X8 sub X18) & ( (X8 sub X20 & X20 sub X19) => X8 sub X19) & ( (X9 sub X1 & X1 sub X2) => X9 sub X2) & ( (X9 sub X1 & X1 sub X3) => X9 sub X3) & ( (X9 sub X1 & X1 sub X4) => X9 sub X4) & ( (X9 sub X1 & X1 sub X5) => X9 sub X5) & ( (X9 sub X1 & X1 sub X6) => X9 sub X6) & ( (X9 sub X1 & X1 sub X7) => X9 sub X7) & ( (X9 sub X1 & X1 sub X8) => X9 sub X8) & ( (X9 sub X1 & X1 sub X10) => X9 sub X10) & ( (X9 sub X1 & X1 sub X11) => X9 sub X11) & ( (X9 sub X1 & X1 sub X12) => X9 sub X12) & ( (X9 sub X1 & X1 sub X13) => X9 sub X13) & ( (X9 sub X1 & X1 sub X14) => X9 sub X14) & ( (X9 sub X1 & X1 sub X15) => X9 sub X15) & ( (X9 sub X1 & X1 sub X16) => X9 sub X16) & ( (X9 sub X1 & X1 sub X17) => X9 sub X17) & ( (X9 sub X1 & X1 sub X18) => X9 sub X18) & ( (X9 sub X1 & X1 sub X19) => X9 sub X19) & ( (X9 sub X1 & X1 sub X20) => X9 sub X20) & ( (X9 sub X2 & X2 sub X1) => X9 sub X1) & ( (X9 sub X2 & X2 sub X3) => X9 sub X3) & ( (X9 sub X2 & X2 sub X4) => X9 sub X4) & ( (X9 sub X2 & X2 sub X5) => X9 sub X5) & ( (X9 sub X2 & X2 sub X6) => X9 sub X6) & ( (X9 sub X2 & X2 sub X7) => X9 sub X7) & ( (X9 sub X2 & X2 sub X8) => X9 sub X8) & ( (X9 sub X2 & X2 sub X10) => X9 sub X10) & ( (X9 sub X2 & X2 sub X11) => X9 sub X11) & ( (X9 sub X2 & X2 sub X12) => X9 sub X12) & ( (X9 sub X2 & X2 sub X13) => X9 sub X13) & ( (X9 sub X2 & X2 sub X14) => X9 sub X14) & ( (X9 sub X2 & X2 sub X15) => X9 sub X15) & ( (X9 sub X2 & X2 sub X16) => X9 sub X16) & ( (X9 sub X2 & X2 sub X17) => X9 sub X17) & ( (X9 sub X2 & X2 sub X18) => X9 sub X18) & ( (X9 sub X2 & X2 sub X19) => X9 sub X19) & ( (X9 sub X2 & X2 sub X20) => X9 sub X20) & ( (X9 sub X3 & X3 sub X1) => X9 sub X1) & ( (X9 sub X3 & X3 sub X2) => X9 sub X2) & ( (X9 sub X3 & X3 sub X4) => X9 sub X4) & ( (X9 sub X3 & X3 sub X5) => X9 sub X5) & ( (X9 sub X3 & X3 sub X6) => X9 sub X6) & ( (X9 sub X3 & X3 sub X7) => X9 sub X7) & ( (X9 sub X3 & X3 sub X8) => X9 sub X8) & ( (X9 sub X3 & X3 sub X10) => X9 sub X10) & ( (X9 sub X3 & X3 sub X11) => X9 sub X11) & ( (X9 sub X3 & X3 sub X12) => X9 sub X12) & ( (X9 sub X3 & X3 sub X13) => X9 sub X13) & ( (X9 sub X3 & X3 sub X14) => X9 sub X14) & ( (X9 sub X3 & X3 sub X15) => X9 sub X15) & ( (X9 sub X3 & X3 sub X16) => X9 sub X16) & ( (X9 sub X3 & X3 sub X17) => X9 sub X17) & ( (X9 sub X3 & X3 sub X18) => X9 sub X18) & ( (X9 sub X3 & X3 sub X19) => X9 sub X19) & ( (X9 sub X3 & X3 sub X20) => X9 sub X20) & ( (X9 sub X4 & X4 sub X1) => X9 sub X1) & ( (X9 sub X4 & X4 sub X2) => X9 sub X2) & ( (X9 sub X4 & X4 sub X3) => X9 sub X3) & ( (X9 sub X4 & X4 sub X5) => X9 sub X5) & ( (X9 sub X4 & X4 sub X6) => X9 sub X6) & ( (X9 sub X4 & X4 sub X7) => X9 sub X7) & ( (X9 sub X4 & X4 sub X8) => X9 sub X8) & ( (X9 sub X4 & X4 sub X10) => X9 sub X10) & ( (X9 sub X4 & X4 sub X11) => X9 sub X11) & ( (X9 sub X4 & X4 sub X12) => X9 sub X12) & ( (X9 sub X4 & X4 sub X13) => X9 sub X13) & ( (X9 sub X4 & X4 sub X14) => X9 sub X14) & ( (X9 sub X4 & X4 sub X15) => X9 sub X15) & ( (X9 sub X4 & X4 sub X16) => X9 sub X16) & ( (X9 sub X4 & X4 sub X17) => X9 sub X17) & ( (X9 sub X4 & X4 sub X18) => X9 sub X18) & ( (X9 sub X4 & X4 sub X19) => X9 sub X19) & ( (X9 sub X4 & X4 sub X20) => X9 sub X20) & ( (X9 sub X5 & X5 sub X1) => X9 sub X1) & ( (X9 sub X5 & X5 sub X2) => X9 sub X2) & ( (X9 sub X5 & X5 sub X3) => X9 sub X3) & ( (X9 sub X5 & X5 sub X4) => X9 sub X4) & ( (X9 sub X5 & X5 sub X6) => X9 sub X6) & ( (X9 sub X5 & X5 sub X7) => X9 sub X7) & ( (X9 sub X5 & X5 sub X8) => X9 sub X8) & ( (X9 sub X5 & X5 sub X10) => X9 sub X10) & ( (X9 sub X5 & X5 sub X11) => X9 sub X11) & ( (X9 sub X5 & X5 sub X12) => X9 sub X12) & ( (X9 sub X5 & X5 sub X13) => X9 sub X13) & ( (X9 sub X5 & X5 sub X14) => X9 sub X14) & ( (X9 sub X5 & X5 sub X15) => X9 sub X15) & ( (X9 sub X5 & X5 sub X16) => X9 sub X16) & ( (X9 sub X5 & X5 sub X17) => X9 sub X17) & ( (X9 sub X5 & X5 sub X18) => X9 sub X18) & ( (X9 sub X5 & X5 sub X19) => X9 sub X19) & ( (X9 sub X5 & X5 sub X20) => X9 sub X20) & ( (X9 sub X6 & X6 sub X1) => X9 sub X1) & ( (X9 sub X6 & X6 sub X2) => X9 sub X2) & ( (X9 sub X6 & X6 sub X3) => X9 sub X3) & ( (X9 sub X6 & X6 sub X4) => X9 sub X4) & ( (X9 sub X6 & X6 sub X5) => X9 sub X5) & ( (X9 sub X6 & X6 sub X7) => X9 sub X7) & ( (X9 sub X6 & X6 sub X8) => X9 sub X8) & ( (X9 sub X6 & X6 sub X10) => X9 sub X10) & ( (X9 sub X6 & X6 sub X11) => X9 sub X11) & ( (X9 sub X6 & X6 sub X12) => X9 sub X12) & ( (X9 sub X6 & X6 sub X13) => X9 sub X13) & ( (X9 sub X6 & X6 sub X14) => X9 sub X14) & ( (X9 sub X6 & X6 sub X15) => X9 sub X15) & ( (X9 sub X6 & X6 sub X16) => X9 sub X16) & ( (X9 sub X6 & X6 sub X17) => X9 sub X17) & ( (X9 sub X6 & X6 sub X18) => X9 sub X18) & ( (X9 sub X6 & X6 sub X19) => X9 sub X19) & ( (X9 sub X6 & X6 sub X20) => X9 sub X20) & ( (X9 sub X7 & X7 sub X1) => X9 sub X1) & ( (X9 sub X7 & X7 sub X2) => X9 sub X2) & ( (X9 sub X7 & X7 sub X3) => X9 sub X3) & ( (X9 sub X7 & X7 sub X4) => X9 sub X4) & ( (X9 sub X7 & X7 sub X5) => X9 sub X5) & ( (X9 sub X7 & X7 sub X6) => X9 sub X6) & ( (X9 sub X7 & X7 sub X8) => X9 sub X8) & ( (X9 sub X7 & X7 sub X10) => X9 sub X10) & ( (X9 sub X7 & X7 sub X11) => X9 sub X11) & ( (X9 sub X7 & X7 sub X12) => X9 sub X12) & ( (X9 sub X7 & X7 sub X13) => X9 sub X13) & ( (X9 sub X7 & X7 sub X14) => X9 sub X14) & ( (X9 sub X7 & X7 sub X15) => X9 sub X15) & ( (X9 sub X7 & X7 sub X16) => X9 sub X16) & ( (X9 sub X7 & X7 sub X17) => X9 sub X17) & ( (X9 sub X7 & X7 sub X18) => X9 sub X18) & ( (X9 sub X7 & X7 sub X19) => X9 sub X19) & ( (X9 sub X7 & X7 sub X20) => X9 sub X20) & ( (X9 sub X8 & X8 sub X1) => X9 sub X1) & ( (X9 sub X8 & X8 sub X2) => X9 sub X2) & ( (X9 sub X8 & X8 sub X3) => X9 sub X3) & ( (X9 sub X8 & X8 sub X4) => X9 sub X4) & ( (X9 sub X8 & X8 sub X5) => X9 sub X5) & ( (X9 sub X8 & X8 sub X6) => X9 sub X6) & ( (X9 sub X8 & X8 sub X7) => X9 sub X7) & ( (X9 sub X8 & X8 sub X10) => X9 sub X10) & ( (X9 sub X8 & X8 sub X11) => X9 sub X11) & ( (X9 sub X8 & X8 sub X12) => X9 sub X12) & ( (X9 sub X8 & X8 sub X13) => X9 sub X13) & ( (X9 sub X8 & X8 sub X14) => X9 sub X14) & ( (X9 sub X8 & X8 sub X15) => X9 sub X15) & ( (X9 sub X8 & X8 sub X16) => X9 sub X16) & ( (X9 sub X8 & X8 sub X17) => X9 sub X17) & ( (X9 sub X8 & X8 sub X18) => X9 sub X18) & ( (X9 sub X8 & X8 sub X19) => X9 sub X19) & ( (X9 sub X8 & X8 sub X20) => X9 sub X20) & ( (X9 sub X10 & X10 sub X1) => X9 sub X1) & ( (X9 sub X10 & X10 sub X2) => X9 sub X2) & ( (X9 sub X10 & X10 sub X3) => X9 sub X3) & ( (X9 sub X10 & X10 sub X4) => X9 sub X4) & ( (X9 sub X10 & X10 sub X5) => X9 sub X5) & ( (X9 sub X10 & X10 sub X6) => X9 sub X6) & ( (X9 sub X10 & X10 sub X7) => X9 sub X7) & ( (X9 sub X10 & X10 sub X8) => X9 sub X8) & ( (X9 sub X10 & X10 sub X11) => X9 sub X11) & ( (X9 sub X10 & X10 sub X12) => X9 sub X12) & ( (X9 sub X10 & X10 sub X13) => X9 sub X13) & ( (X9 sub X10 & X10 sub X14) => X9 sub X14) & ( (X9 sub X10 & X10 sub X15) => X9 sub X15) & ( (X9 sub X10 & X10 sub X16) => X9 sub X16) & ( (X9 sub X10 & X10 sub X17) => X9 sub X17) & ( (X9 sub X10 & X10 sub X18) => X9 sub X18) & ( (X9 sub X10 & X10 sub X19) => X9 sub X19) & ( (X9 sub X10 & X10 sub X20) => X9 sub X20) & ( (X9 sub X11 & X11 sub X1) => X9 sub X1) & ( (X9 sub X11 & X11 sub X2) => X9 sub X2) & ( (X9 sub X11 & X11 sub X3) => X9 sub X3) & ( (X9 sub X11 & X11 sub X4) => X9 sub X4) & ( (X9 sub X11 & X11 sub X5) => X9 sub X5) & ( (X9 sub X11 & X11 sub X6) => X9 sub X6) & ( (X9 sub X11 & X11 sub X7) => X9 sub X7) & ( (X9 sub X11 & X11 sub X8) => X9 sub X8) & ( (X9 sub X11 & X11 sub X10) => X9 sub X10) & ( (X9 sub X11 & X11 sub X12) => X9 sub X12) & ( (X9 sub X11 & X11 sub X13) => X9 sub X13) & ( (X9 sub X11 & X11 sub X14) => X9 sub X14) & ( (X9 sub X11 & X11 sub X15) => X9 sub X15) & ( (X9 sub X11 & X11 sub X16) => X9 sub X16) & ( (X9 sub X11 & X11 sub X17) => X9 sub X17) & ( (X9 sub X11 & X11 sub X18) => X9 sub X18) & ( (X9 sub X11 & X11 sub X19) => X9 sub X19) & ( (X9 sub X11 & X11 sub X20) => X9 sub X20) & ( (X9 sub X12 & X12 sub X1) => X9 sub X1) & ( (X9 sub X12 & X12 sub X2) => X9 sub X2) & ( (X9 sub X12 & X12 sub X3) => X9 sub X3) & ( (X9 sub X12 & X12 sub X4) => X9 sub X4) & ( (X9 sub X12 & X12 sub X5) => X9 sub X5) & ( (X9 sub X12 & X12 sub X6) => X9 sub X6) & ( (X9 sub X12 & X12 sub X7) => X9 sub X7) & ( (X9 sub X12 & X12 sub X8) => X9 sub X8) & ( (X9 sub X12 & X12 sub X10) => X9 sub X10) & ( (X9 sub X12 & X12 sub X11) => X9 sub X11) & ( (X9 sub X12 & X12 sub X13) => X9 sub X13) & ( (X9 sub X12 & X12 sub X14) => X9 sub X14) & ( (X9 sub X12 & X12 sub X15) => X9 sub X15) & ( (X9 sub X12 & X12 sub X16) => X9 sub X16) & ( (X9 sub X12 & X12 sub X17) => X9 sub X17) & ( (X9 sub X12 & X12 sub X18) => X9 sub X18) & ( (X9 sub X12 & X12 sub X19) => X9 sub X19) & ( (X9 sub X12 & X12 sub X20) => X9 sub X20) & ( (X9 sub X13 & X13 sub X1) => X9 sub X1) & ( (X9 sub X13 & X13 sub X2) => X9 sub X2) & ( (X9 sub X13 & X13 sub X3) => X9 sub X3) & ( (X9 sub X13 & X13 sub X4) => X9 sub X4) & ( (X9 sub X13 & X13 sub X5) => X9 sub X5) & ( (X9 sub X13 & X13 sub X6) => X9 sub X6) & ( (X9 sub X13 & X13 sub X7) => X9 sub X7) & ( (X9 sub X13 & X13 sub X8) => X9 sub X8) & ( (X9 sub X13 & X13 sub X10) => X9 sub X10) & ( (X9 sub X13 & X13 sub X11) => X9 sub X11) & ( (X9 sub X13 & X13 sub X12) => X9 sub X12) & ( (X9 sub X13 & X13 sub X14) => X9 sub X14) & ( (X9 sub X13 & X13 sub X15) => X9 sub X15) & ( (X9 sub X13 & X13 sub X16) => X9 sub X16) & ( (X9 sub X13 & X13 sub X17) => X9 sub X17) & ( (X9 sub X13 & X13 sub X18) => X9 sub X18) & ( (X9 sub X13 & X13 sub X19) => X9 sub X19) & ( (X9 sub X13 & X13 sub X20) => X9 sub X20) & ( (X9 sub X14 & X14 sub X1) => X9 sub X1) & ( (X9 sub X14 & X14 sub X2) => X9 sub X2) & ( (X9 sub X14 & X14 sub X3) => X9 sub X3) & ( (X9 sub X14 & X14 sub X4) => X9 sub X4) & ( (X9 sub X14 & X14 sub X5) => X9 sub X5) & ( (X9 sub X14 & X14 sub X6) => X9 sub X6) & ( (X9 sub X14 & X14 sub X7) => X9 sub X7) & ( (X9 sub X14 & X14 sub X8) => X9 sub X8) & ( (X9 sub X14 & X14 sub X10) => X9 sub X10) & ( (X9 sub X14 & X14 sub X11) => X9 sub X11) & ( (X9 sub X14 & X14 sub X12) => X9 sub X12) & ( (X9 sub X14 & X14 sub X13) => X9 sub X13) & ( (X9 sub X14 & X14 sub X15) => X9 sub X15) & ( (X9 sub X14 & X14 sub X16) => X9 sub X16) & ( (X9 sub X14 & X14 sub X17) => X9 sub X17) & ( (X9 sub X14 & X14 sub X18) => X9 sub X18) & ( (X9 sub X14 & X14 sub X19) => X9 sub X19) & ( (X9 sub X14 & X14 sub X20) => X9 sub X20) & ( (X9 sub X15 & X15 sub X1) => X9 sub X1) & ( (X9 sub X15 & X15 sub X2) => X9 sub X2) & ( (X9 sub X15 & X15 sub X3) => X9 sub X3) & ( (X9 sub X15 & X15 sub X4) => X9 sub X4) & ( (X9 sub X15 & X15 sub X5) => X9 sub X5) & ( (X9 sub X15 & X15 sub X6) => X9 sub X6) & ( (X9 sub X15 & X15 sub X7) => X9 sub X7) & ( (X9 sub X15 & X15 sub X8) => X9 sub X8) & ( (X9 sub X15 & X15 sub X10) => X9 sub X10) & ( (X9 sub X15 & X15 sub X11) => X9 sub X11) & ( (X9 sub X15 & X15 sub X12) => X9 sub X12) & ( (X9 sub X15 & X15 sub X13) => X9 sub X13) & ( (X9 sub X15 & X15 sub X14) => X9 sub X14) & ( (X9 sub X15 & X15 sub X16) => X9 sub X16) & ( (X9 sub X15 & X15 sub X17) => X9 sub X17) & ( (X9 sub X15 & X15 sub X18) => X9 sub X18) & ( (X9 sub X15 & X15 sub X19) => X9 sub X19) & ( (X9 sub X15 & X15 sub X20) => X9 sub X20) & ( (X9 sub X16 & X16 sub X1) => X9 sub X1) & ( (X9 sub X16 & X16 sub X2) => X9 sub X2) & ( (X9 sub X16 & X16 sub X3) => X9 sub X3) & ( (X9 sub X16 & X16 sub X4) => X9 sub X4) & ( (X9 sub X16 & X16 sub X5) => X9 sub X5) & ( (X9 sub X16 & X16 sub X6) => X9 sub X6) & ( (X9 sub X16 & X16 sub X7) => X9 sub X7) & ( (X9 sub X16 & X16 sub X8) => X9 sub X8) & ( (X9 sub X16 & X16 sub X10) => X9 sub X10) & ( (X9 sub X16 & X16 sub X11) => X9 sub X11) & ( (X9 sub X16 & X16 sub X12) => X9 sub X12) & ( (X9 sub X16 & X16 sub X13) => X9 sub X13) & ( (X9 sub X16 & X16 sub X14) => X9 sub X14) & ( (X9 sub X16 & X16 sub X15) => X9 sub X15) & ( (X9 sub X16 & X16 sub X17) => X9 sub X17) & ( (X9 sub X16 & X16 sub X18) => X9 sub X18) & ( (X9 sub X16 & X16 sub X19) => X9 sub X19) & ( (X9 sub X16 & X16 sub X20) => X9 sub X20) & ( (X9 sub X17 & X17 sub X1) => X9 sub X1) & ( (X9 sub X17 & X17 sub X2) => X9 sub X2) & ( (X9 sub X17 & X17 sub X3) => X9 sub X3) & ( (X9 sub X17 & X17 sub X4) => X9 sub X4) & ( (X9 sub X17 & X17 sub X5) => X9 sub X5) & ( (X9 sub X17 & X17 sub X6) => X9 sub X6) & ( (X9 sub X17 & X17 sub X7) => X9 sub X7) & ( (X9 sub X17 & X17 sub X8) => X9 sub X8) & ( (X9 sub X17 & X17 sub X10) => X9 sub X10) & ( (X9 sub X17 & X17 sub X11) => X9 sub X11) & ( (X9 sub X17 & X17 sub X12) => X9 sub X12) & ( (X9 sub X17 & X17 sub X13) => X9 sub X13) & ( (X9 sub X17 & X17 sub X14) => X9 sub X14) & ( (X9 sub X17 & X17 sub X15) => X9 sub X15) & ( (X9 sub X17 & X17 sub X16) => X9 sub X16) & ( (X9 sub X17 & X17 sub X18) => X9 sub X18) & ( (X9 sub X17 & X17 sub X19) => X9 sub X19) & ( (X9 sub X17 & X17 sub X20) => X9 sub X20) & ( (X9 sub X18 & X18 sub X1) => X9 sub X1) & ( (X9 sub X18 & X18 sub X2) => X9 sub X2) & ( (X9 sub X18 & X18 sub X3) => X9 sub X3) & ( (X9 sub X18 & X18 sub X4) => X9 sub X4) & ( (X9 sub X18 & X18 sub X5) => X9 sub X5) & ( (X9 sub X18 & X18 sub X6) => X9 sub X6) & ( (X9 sub X18 & X18 sub X7) => X9 sub X7) & ( (X9 sub X18 & X18 sub X8) => X9 sub X8) & ( (X9 sub X18 & X18 sub X10) => X9 sub X10) & ( (X9 sub X18 & X18 sub X11) => X9 sub X11) & ( (X9 sub X18 & X18 sub X12) => X9 sub X12) & ( (X9 sub X18 & X18 sub X13) => X9 sub X13) & ( (X9 sub X18 & X18 sub X14) => X9 sub X14) & ( (X9 sub X18 & X18 sub X15) => X9 sub X15) & ( (X9 sub X18 & X18 sub X16) => X9 sub X16) & ( (X9 sub X18 & X18 sub X17) => X9 sub X17) & ( (X9 sub X18 & X18 sub X19) => X9 sub X19) & ( (X9 sub X18 & X18 sub X20) => X9 sub X20) & ( (X9 sub X19 & X19 sub X1) => X9 sub X1) & ( (X9 sub X19 & X19 sub X2) => X9 sub X2) & ( (X9 sub X19 & X19 sub X3) => X9 sub X3) & ( (X9 sub X19 & X19 sub X4) => X9 sub X4) & ( (X9 sub X19 & X19 sub X5) => X9 sub X5) & ( (X9 sub X19 & X19 sub X6) => X9 sub X6) & ( (X9 sub X19 & X19 sub X7) => X9 sub X7) & ( (X9 sub X19 & X19 sub X8) => X9 sub X8) & ( (X9 sub X19 & X19 sub X10) => X9 sub X10) & ( (X9 sub X19 & X19 sub X11) => X9 sub X11) & ( (X9 sub X19 & X19 sub X12) => X9 sub X12) & ( (X9 sub X19 & X19 sub X13) => X9 sub X13) & ( (X9 sub X19 & X19 sub X14) => X9 sub X14) & ( (X9 sub X19 & X19 sub X15) => X9 sub X15) & ( (X9 sub X19 & X19 sub X16) => X9 sub X16) & ( (X9 sub X19 & X19 sub X17) => X9 sub X17) & ( (X9 sub X19 & X19 sub X18) => X9 sub X18) & ( (X9 sub X19 & X19 sub X20) => X9 sub X20) & ( (X9 sub X20 & X20 sub X1) => X9 sub X1) & ( (X9 sub X20 & X20 sub X2) => X9 sub X2) & ( (X9 sub X20 & X20 sub X3) => X9 sub X3) & ( (X9 sub X20 & X20 sub X4) => X9 sub X4) & ( (X9 sub X20 & X20 sub X5) => X9 sub X5) & ( (X9 sub X20 & X20 sub X6) => X9 sub X6) & ( (X9 sub X20 & X20 sub X7) => X9 sub X7) & ( (X9 sub X20 & X20 sub X8) => X9 sub X8) & ( (X9 sub X20 & X20 sub X10) => X9 sub X10) & ( (X9 sub X20 & X20 sub X11) => X9 sub X11) & ( (X9 sub X20 & X20 sub X12) => X9 sub X12) & ( (X9 sub X20 & X20 sub X13) => X9 sub X13) & ( (X9 sub X20 & X20 sub X14) => X9 sub X14) & ( (X9 sub X20 & X20 sub X15) => X9 sub X15) & ( (X9 sub X20 & X20 sub X16) => X9 sub X16) & ( (X9 sub X20 & X20 sub X17) => X9 sub X17) & ( (X9 sub X20 & X20 sub X18) => X9 sub X18) & ( (X9 sub X20 & X20 sub X19) => X9 sub X19) & ( (X10 sub X1 & X1 sub X2) => X10 sub X2) & ( (X10 sub X1 & X1 sub X3) => X10 sub X3) & ( (X10 sub X1 & X1 sub X4) => X10 sub X4) & ( (X10 sub X1 & X1 sub X5) => X10 sub X5) & ( (X10 sub X1 & X1 sub X6) => X10 sub X6) & ( (X10 sub X1 & X1 sub X7) => X10 sub X7) & ( (X10 sub X1 & X1 sub X8) => X10 sub X8) & ( (X10 sub X1 & X1 sub X9) => X10 sub X9) & ( (X10 sub X1 & X1 sub X11) => X10 sub X11) & ( (X10 sub X1 & X1 sub X12) => X10 sub X12) & ( (X10 sub X1 & X1 sub X13) => X10 sub X13) & ( (X10 sub X1 & X1 sub X14) => X10 sub X14) & ( (X10 sub X1 & X1 sub X15) => X10 sub X15) & ( (X10 sub X1 & X1 sub X16) => X10 sub X16) & ( (X10 sub X1 & X1 sub X17) => X10 sub X17) & ( (X10 sub X1 & X1 sub X18) => X10 sub X18) & ( (X10 sub X1 & X1 sub X19) => X10 sub X19) & ( (X10 sub X1 & X1 sub X20) => X10 sub X20) & ( (X10 sub X2 & X2 sub X1) => X10 sub X1) & ( (X10 sub X2 & X2 sub X3) => X10 sub X3) & ( (X10 sub X2 & X2 sub X4) => X10 sub X4) & ( (X10 sub X2 & X2 sub X5) => X10 sub X5) & ( (X10 sub X2 & X2 sub X6) => X10 sub X6) & ( (X10 sub X2 & X2 sub X7) => X10 sub X7) & ( (X10 sub X2 & X2 sub X8) => X10 sub X8) & ( (X10 sub X2 & X2 sub X9) => X10 sub X9) & ( (X10 sub X2 & X2 sub X11) => X10 sub X11) & ( (X10 sub X2 & X2 sub X12) => X10 sub X12) & ( (X10 sub X2 & X2 sub X13) => X10 sub X13) & ( (X10 sub X2 & X2 sub X14) => X10 sub X14) & ( (X10 sub X2 & X2 sub X15) => X10 sub X15) & ( (X10 sub X2 & X2 sub X16) => X10 sub X16) & ( (X10 sub X2 & X2 sub X17) => X10 sub X17) & ( (X10 sub X2 & X2 sub X18) => X10 sub X18) & ( (X10 sub X2 & X2 sub X19) => X10 sub X19) & ( (X10 sub X2 & X2 sub X20) => X10 sub X20) & ( (X10 sub X3 & X3 sub X1) => X10 sub X1) & ( (X10 sub X3 & X3 sub X2) => X10 sub X2) & ( (X10 sub X3 & X3 sub X4) => X10 sub X4) & ( (X10 sub X3 & X3 sub X5) => X10 sub X5) & ( (X10 sub X3 & X3 sub X6) => X10 sub X6) & ( (X10 sub X3 & X3 sub X7) => X10 sub X7) & ( (X10 sub X3 & X3 sub X8) => X10 sub X8) & ( (X10 sub X3 & X3 sub X9) => X10 sub X9) & ( (X10 sub X3 & X3 sub X11) => X10 sub X11) & ( (X10 sub X3 & X3 sub X12) => X10 sub X12) & ( (X10 sub X3 & X3 sub X13) => X10 sub X13) & ( (X10 sub X3 & X3 sub X14) => X10 sub X14) & ( (X10 sub X3 & X3 sub X15) => X10 sub X15) & ( (X10 sub X3 & X3 sub X16) => X10 sub X16) & ( (X10 sub X3 & X3 sub X17) => X10 sub X17) & ( (X10 sub X3 & X3 sub X18) => X10 sub X18) & ( (X10 sub X3 & X3 sub X19) => X10 sub X19) & ( (X10 sub X3 & X3 sub X20) => X10 sub X20) & ( (X10 sub X4 & X4 sub X1) => X10 sub X1) & ( (X10 sub X4 & X4 sub X2) => X10 sub X2) & ( (X10 sub X4 & X4 sub X3) => X10 sub X3) & ( (X10 sub X4 & X4 sub X5) => X10 sub X5) & ( (X10 sub X4 & X4 sub X6) => X10 sub X6) & ( (X10 sub X4 & X4 sub X7) => X10 sub X7) & ( (X10 sub X4 & X4 sub X8) => X10 sub X8) & ( (X10 sub X4 & X4 sub X9) => X10 sub X9) & ( (X10 sub X4 & X4 sub X11) => X10 sub X11) & ( (X10 sub X4 & X4 sub X12) => X10 sub X12) & ( (X10 sub X4 & X4 sub X13) => X10 sub X13) & ( (X10 sub X4 & X4 sub X14) => X10 sub X14) & ( (X10 sub X4 & X4 sub X15) => X10 sub X15) & ( (X10 sub X4 & X4 sub X16) => X10 sub X16) & ( (X10 sub X4 & X4 sub X17) => X10 sub X17) & ( (X10 sub X4 & X4 sub X18) => X10 sub X18) & ( (X10 sub X4 & X4 sub X19) => X10 sub X19) & ( (X10 sub X4 & X4 sub X20) => X10 sub X20) & ( (X10 sub X5 & X5 sub X1) => X10 sub X1) & ( (X10 sub X5 & X5 sub X2) => X10 sub X2) & ( (X10 sub X5 & X5 sub X3) => X10 sub X3) & ( (X10 sub X5 & X5 sub X4) => X10 sub X4) & ( (X10 sub X5 & X5 sub X6) => X10 sub X6) & ( (X10 sub X5 & X5 sub X7) => X10 sub X7) & ( (X10 sub X5 & X5 sub X8) => X10 sub X8) & ( (X10 sub X5 & X5 sub X9) => X10 sub X9) & ( (X10 sub X5 & X5 sub X11) => X10 sub X11) & ( (X10 sub X5 & X5 sub X12) => X10 sub X12) & ( (X10 sub X5 & X5 sub X13) => X10 sub X13) & ( (X10 sub X5 & X5 sub X14) => X10 sub X14) & ( (X10 sub X5 & X5 sub X15) => X10 sub X15) & ( (X10 sub X5 & X5 sub X16) => X10 sub X16) & ( (X10 sub X5 & X5 sub X17) => X10 sub X17) & ( (X10 sub X5 & X5 sub X18) => X10 sub X18) & ( (X10 sub X5 & X5 sub X19) => X10 sub X19) & ( (X10 sub X5 & X5 sub X20) => X10 sub X20) & ( (X10 sub X6 & X6 sub X1) => X10 sub X1) & ( (X10 sub X6 & X6 sub X2) => X10 sub X2) & ( (X10 sub X6 & X6 sub X3) => X10 sub X3) & ( (X10 sub X6 & X6 sub X4) => X10 sub X4) & ( (X10 sub X6 & X6 sub X5) => X10 sub X5) & ( (X10 sub X6 & X6 sub X7) => X10 sub X7) & ( (X10 sub X6 & X6 sub X8) => X10 sub X8) & ( (X10 sub X6 & X6 sub X9) => X10 sub X9) & ( (X10 sub X6 & X6 sub X11) => X10 sub X11) & ( (X10 sub X6 & X6 sub X12) => X10 sub X12) & ( (X10 sub X6 & X6 sub X13) => X10 sub X13) & ( (X10 sub X6 & X6 sub X14) => X10 sub X14) & ( (X10 sub X6 & X6 sub X15) => X10 sub X15) & ( (X10 sub X6 & X6 sub X16) => X10 sub X16) & ( (X10 sub X6 & X6 sub X17) => X10 sub X17) & ( (X10 sub X6 & X6 sub X18) => X10 sub X18) & ( (X10 sub X6 & X6 sub X19) => X10 sub X19) & ( (X10 sub X6 & X6 sub X20) => X10 sub X20) & ( (X10 sub X7 & X7 sub X1) => X10 sub X1) & ( (X10 sub X7 & X7 sub X2) => X10 sub X2) & ( (X10 sub X7 & X7 sub X3) => X10 sub X3) & ( (X10 sub X7 & X7 sub X4) => X10 sub X4) & ( (X10 sub X7 & X7 sub X5) => X10 sub X5) & ( (X10 sub X7 & X7 sub X6) => X10 sub X6) & ( (X10 sub X7 & X7 sub X8) => X10 sub X8) & ( (X10 sub X7 & X7 sub X9) => X10 sub X9) & ( (X10 sub X7 & X7 sub X11) => X10 sub X11) & ( (X10 sub X7 & X7 sub X12) => X10 sub X12) & ( (X10 sub X7 & X7 sub X13) => X10 sub X13) & ( (X10 sub X7 & X7 sub X14) => X10 sub X14) & ( (X10 sub X7 & X7 sub X15) => X10 sub X15) & ( (X10 sub X7 & X7 sub X16) => X10 sub X16) & ( (X10 sub X7 & X7 sub X17) => X10 sub X17) & ( (X10 sub X7 & X7 sub X18) => X10 sub X18) & ( (X10 sub X7 & X7 sub X19) => X10 sub X19) & ( (X10 sub X7 & X7 sub X20) => X10 sub X20) & ( (X10 sub X8 & X8 sub X1) => X10 sub X1) & ( (X10 sub X8 & X8 sub X2) => X10 sub X2) & ( (X10 sub X8 & X8 sub X3) => X10 sub X3) & ( (X10 sub X8 & X8 sub X4) => X10 sub X4) & ( (X10 sub X8 & X8 sub X5) => X10 sub X5) & ( (X10 sub X8 & X8 sub X6) => X10 sub X6) & ( (X10 sub X8 & X8 sub X7) => X10 sub X7) & ( (X10 sub X8 & X8 sub X9) => X10 sub X9) & ( (X10 sub X8 & X8 sub X11) => X10 sub X11) & ( (X10 sub X8 & X8 sub X12) => X10 sub X12) & ( (X10 sub X8 & X8 sub X13) => X10 sub X13) & ( (X10 sub X8 & X8 sub X14) => X10 sub X14) & ( (X10 sub X8 & X8 sub X15) => X10 sub X15) & ( (X10 sub X8 & X8 sub X16) => X10 sub X16) & ( (X10 sub X8 & X8 sub X17) => X10 sub X17) & ( (X10 sub X8 & X8 sub X18) => X10 sub X18) & ( (X10 sub X8 & X8 sub X19) => X10 sub X19) & ( (X10 sub X8 & X8 sub X20) => X10 sub X20) & ( (X10 sub X9 & X9 sub X1) => X10 sub X1) & ( (X10 sub X9 & X9 sub X2) => X10 sub X2) & ( (X10 sub X9 & X9 sub X3) => X10 sub X3) & ( (X10 sub X9 & X9 sub X4) => X10 sub X4) & ( (X10 sub X9 & X9 sub X5) => X10 sub X5) & ( (X10 sub X9 & X9 sub X6) => X10 sub X6) & ( (X10 sub X9 & X9 sub X7) => X10 sub X7) & ( (X10 sub X9 & X9 sub X8) => X10 sub X8) & ( (X10 sub X9 & X9 sub X11) => X10 sub X11) & ( (X10 sub X9 & X9 sub X12) => X10 sub X12) & ( (X10 sub X9 & X9 sub X13) => X10 sub X13) & ( (X10 sub X9 & X9 sub X14) => X10 sub X14) & ( (X10 sub X9 & X9 sub X15) => X10 sub X15) & ( (X10 sub X9 & X9 sub X16) => X10 sub X16) & ( (X10 sub X9 & X9 sub X17) => X10 sub X17) & ( (X10 sub X9 & X9 sub X18) => X10 sub X18) & ( (X10 sub X9 & X9 sub X19) => X10 sub X19) & ( (X10 sub X9 & X9 sub X20) => X10 sub X20) & ( (X10 sub X11 & X11 sub X1) => X10 sub X1) & ( (X10 sub X11 & X11 sub X2) => X10 sub X2) & ( (X10 sub X11 & X11 sub X3) => X10 sub X3) & ( (X10 sub X11 & X11 sub X4) => X10 sub X4) & ( (X10 sub X11 & X11 sub X5) => X10 sub X5) & ( (X10 sub X11 & X11 sub X6) => X10 sub X6) & ( (X10 sub X11 & X11 sub X7) => X10 sub X7) & ( (X10 sub X11 & X11 sub X8) => X10 sub X8) & ( (X10 sub X11 & X11 sub X9) => X10 sub X9) & ( (X10 sub X11 & X11 sub X12) => X10 sub X12) & ( (X10 sub X11 & X11 sub X13) => X10 sub X13) & ( (X10 sub X11 & X11 sub X14) => X10 sub X14) & ( (X10 sub X11 & X11 sub X15) => X10 sub X15) & ( (X10 sub X11 & X11 sub X16) => X10 sub X16) & ( (X10 sub X11 & X11 sub X17) => X10 sub X17) & ( (X10 sub X11 & X11 sub X18) => X10 sub X18) & ( (X10 sub X11 & X11 sub X19) => X10 sub X19) & ( (X10 sub X11 & X11 sub X20) => X10 sub X20) & ( (X10 sub X12 & X12 sub X1) => X10 sub X1) & ( (X10 sub X12 & X12 sub X2) => X10 sub X2) & ( (X10 sub X12 & X12 sub X3) => X10 sub X3) & ( (X10 sub X12 & X12 sub X4) => X10 sub X4) & ( (X10 sub X12 & X12 sub X5) => X10 sub X5) & ( (X10 sub X12 & X12 sub X6) => X10 sub X6) & ( (X10 sub X12 & X12 sub X7) => X10 sub X7) & ( (X10 sub X12 & X12 sub X8) => X10 sub X8) & ( (X10 sub X12 & X12 sub X9) => X10 sub X9) & ( (X10 sub X12 & X12 sub X11) => X10 sub X11) & ( (X10 sub X12 & X12 sub X13) => X10 sub X13) & ( (X10 sub X12 & X12 sub X14) => X10 sub X14) & ( (X10 sub X12 & X12 sub X15) => X10 sub X15) & ( (X10 sub X12 & X12 sub X16) => X10 sub X16) & ( (X10 sub X12 & X12 sub X17) => X10 sub X17) & ( (X10 sub X12 & X12 sub X18) => X10 sub X18) & ( (X10 sub X12 & X12 sub X19) => X10 sub X19) & ( (X10 sub X12 & X12 sub X20) => X10 sub X20) & ( (X10 sub X13 & X13 sub X1) => X10 sub X1) & ( (X10 sub X13 & X13 sub X2) => X10 sub X2) & ( (X10 sub X13 & X13 sub X3) => X10 sub X3) & ( (X10 sub X13 & X13 sub X4) => X10 sub X4) & ( (X10 sub X13 & X13 sub X5) => X10 sub X5) & ( (X10 sub X13 & X13 sub X6) => X10 sub X6) & ( (X10 sub X13 & X13 sub X7) => X10 sub X7) & ( (X10 sub X13 & X13 sub X8) => X10 sub X8) & ( (X10 sub X13 & X13 sub X9) => X10 sub X9) & ( (X10 sub X13 & X13 sub X11) => X10 sub X11) & ( (X10 sub X13 & X13 sub X12) => X10 sub X12) & ( (X10 sub X13 & X13 sub X14) => X10 sub X14) & ( (X10 sub X13 & X13 sub X15) => X10 sub X15) & ( (X10 sub X13 & X13 sub X16) => X10 sub X16) & ( (X10 sub X13 & X13 sub X17) => X10 sub X17) & ( (X10 sub X13 & X13 sub X18) => X10 sub X18) & ( (X10 sub X13 & X13 sub X19) => X10 sub X19) & ( (X10 sub X13 & X13 sub X20) => X10 sub X20) & ( (X10 sub X14 & X14 sub X1) => X10 sub X1) & ( (X10 sub X14 & X14 sub X2) => X10 sub X2) & ( (X10 sub X14 & X14 sub X3) => X10 sub X3) & ( (X10 sub X14 & X14 sub X4) => X10 sub X4) & ( (X10 sub X14 & X14 sub X5) => X10 sub X5) & ( (X10 sub X14 & X14 sub X6) => X10 sub X6) & ( (X10 sub X14 & X14 sub X7) => X10 sub X7) & ( (X10 sub X14 & X14 sub X8) => X10 sub X8) & ( (X10 sub X14 & X14 sub X9) => X10 sub X9) & ( (X10 sub X14 & X14 sub X11) => X10 sub X11) & ( (X10 sub X14 & X14 sub X12) => X10 sub X12) & ( (X10 sub X14 & X14 sub X13) => X10 sub X13) & ( (X10 sub X14 & X14 sub X15) => X10 sub X15) & ( (X10 sub X14 & X14 sub X16) => X10 sub X16) & ( (X10 sub X14 & X14 sub X17) => X10 sub X17) & ( (X10 sub X14 & X14 sub X18) => X10 sub X18) & ( (X10 sub X14 & X14 sub X19) => X10 sub X19) & ( (X10 sub X14 & X14 sub X20) => X10 sub X20) & ( (X10 sub X15 & X15 sub X1) => X10 sub X1) & ( (X10 sub X15 & X15 sub X2) => X10 sub X2) & ( (X10 sub X15 & X15 sub X3) => X10 sub X3) & ( (X10 sub X15 & X15 sub X4) => X10 sub X4) & ( (X10 sub X15 & X15 sub X5) => X10 sub X5) & ( (X10 sub X15 & X15 sub X6) => X10 sub X6) & ( (X10 sub X15 & X15 sub X7) => X10 sub X7) & ( (X10 sub X15 & X15 sub X8) => X10 sub X8) & ( (X10 sub X15 & X15 sub X9) => X10 sub X9) & ( (X10 sub X15 & X15 sub X11) => X10 sub X11) & ( (X10 sub X15 & X15 sub X12) => X10 sub X12) & ( (X10 sub X15 & X15 sub X13) => X10 sub X13) & ( (X10 sub X15 & X15 sub X14) => X10 sub X14) & ( (X10 sub X15 & X15 sub X16) => X10 sub X16) & ( (X10 sub X15 & X15 sub X17) => X10 sub X17) & ( (X10 sub X15 & X15 sub X18) => X10 sub X18) & ( (X10 sub X15 & X15 sub X19) => X10 sub X19) & ( (X10 sub X15 & X15 sub X20) => X10 sub X20) & ( (X10 sub X16 & X16 sub X1) => X10 sub X1) & ( (X10 sub X16 & X16 sub X2) => X10 sub X2) & ( (X10 sub X16 & X16 sub X3) => X10 sub X3) & ( (X10 sub X16 & X16 sub X4) => X10 sub X4) & ( (X10 sub X16 & X16 sub X5) => X10 sub X5) & ( (X10 sub X16 & X16 sub X6) => X10 sub X6) & ( (X10 sub X16 & X16 sub X7) => X10 sub X7) & ( (X10 sub X16 & X16 sub X8) => X10 sub X8) & ( (X10 sub X16 & X16 sub X9) => X10 sub X9) & ( (X10 sub X16 & X16 sub X11) => X10 sub X11) & ( (X10 sub X16 & X16 sub X12) => X10 sub X12) & ( (X10 sub X16 & X16 sub X13) => X10 sub X13) & ( (X10 sub X16 & X16 sub X14) => X10 sub X14) & ( (X10 sub X16 & X16 sub X15) => X10 sub X15) & ( (X10 sub X16 & X16 sub X17) => X10 sub X17) & ( (X10 sub X16 & X16 sub X18) => X10 sub X18) & ( (X10 sub X16 & X16 sub X19) => X10 sub X19) & ( (X10 sub X16 & X16 sub X20) => X10 sub X20) & ( (X10 sub X17 & X17 sub X1) => X10 sub X1) & ( (X10 sub X17 & X17 sub X2) => X10 sub X2) & ( (X10 sub X17 & X17 sub X3) => X10 sub X3) & ( (X10 sub X17 & X17 sub X4) => X10 sub X4) & ( (X10 sub X17 & X17 sub X5) => X10 sub X5) & ( (X10 sub X17 & X17 sub X6) => X10 sub X6) & ( (X10 sub X17 & X17 sub X7) => X10 sub X7) & ( (X10 sub X17 & X17 sub X8) => X10 sub X8) & ( (X10 sub X17 & X17 sub X9) => X10 sub X9) & ( (X10 sub X17 & X17 sub X11) => X10 sub X11) & ( (X10 sub X17 & X17 sub X12) => X10 sub X12) & ( (X10 sub X17 & X17 sub X13) => X10 sub X13) & ( (X10 sub X17 & X17 sub X14) => X10 sub X14) & ( (X10 sub X17 & X17 sub X15) => X10 sub X15) & ( (X10 sub X17 & X17 sub X16) => X10 sub X16) & ( (X10 sub X17 & X17 sub X18) => X10 sub X18) & ( (X10 sub X17 & X17 sub X19) => X10 sub X19) & ( (X10 sub X17 & X17 sub X20) => X10 sub X20) & ( (X10 sub X18 & X18 sub X1) => X10 sub X1) & ( (X10 sub X18 & X18 sub X2) => X10 sub X2) & ( (X10 sub X18 & X18 sub X3) => X10 sub X3) & ( (X10 sub X18 & X18 sub X4) => X10 sub X4) & ( (X10 sub X18 & X18 sub X5) => X10 sub X5) & ( (X10 sub X18 & X18 sub X6) => X10 sub X6) & ( (X10 sub X18 & X18 sub X7) => X10 sub X7) & ( (X10 sub X18 & X18 sub X8) => X10 sub X8) & ( (X10 sub X18 & X18 sub X9) => X10 sub X9) & ( (X10 sub X18 & X18 sub X11) => X10 sub X11) & ( (X10 sub X18 & X18 sub X12) => X10 sub X12) & ( (X10 sub X18 & X18 sub X13) => X10 sub X13) & ( (X10 sub X18 & X18 sub X14) => X10 sub X14) & ( (X10 sub X18 & X18 sub X15) => X10 sub X15) & ( (X10 sub X18 & X18 sub X16) => X10 sub X16) & ( (X10 sub X18 & X18 sub X17) => X10 sub X17) & ( (X10 sub X18 & X18 sub X19) => X10 sub X19) & ( (X10 sub X18 & X18 sub X20) => X10 sub X20) & ( (X10 sub X19 & X19 sub X1) => X10 sub X1) & ( (X10 sub X19 & X19 sub X2) => X10 sub X2) & ( (X10 sub X19 & X19 sub X3) => X10 sub X3) & ( (X10 sub X19 & X19 sub X4) => X10 sub X4) & ( (X10 sub X19 & X19 sub X5) => X10 sub X5) & ( (X10 sub X19 & X19 sub X6) => X10 sub X6) & ( (X10 sub X19 & X19 sub X7) => X10 sub X7) & ( (X10 sub X19 & X19 sub X8) => X10 sub X8) & ( (X10 sub X19 & X19 sub X9) => X10 sub X9) & ( (X10 sub X19 & X19 sub X11) => X10 sub X11) & ( (X10 sub X19 & X19 sub X12) => X10 sub X12) & ( (X10 sub X19 & X19 sub X13) => X10 sub X13) & ( (X10 sub X19 & X19 sub X14) => X10 sub X14) & ( (X10 sub X19 & X19 sub X15) => X10 sub X15) & ( (X10 sub X19 & X19 sub X16) => X10 sub X16) & ( (X10 sub X19 & X19 sub X17) => X10 sub X17) & ( (X10 sub X19 & X19 sub X18) => X10 sub X18) & ( (X10 sub X19 & X19 sub X20) => X10 sub X20) & ( (X10 sub X20 & X20 sub X1) => X10 sub X1) & ( (X10 sub X20 & X20 sub X2) => X10 sub X2) & ( (X10 sub X20 & X20 sub X3) => X10 sub X3) & ( (X10 sub X20 & X20 sub X4) => X10 sub X4) & ( (X10 sub X20 & X20 sub X5) => X10 sub X5) & ( (X10 sub X20 & X20 sub X6) => X10 sub X6) & ( (X10 sub X20 & X20 sub X7) => X10 sub X7) & ( (X10 sub X20 & X20 sub X8) => X10 sub X8) & ( (X10 sub X20 & X20 sub X9) => X10 sub X9) & ( (X10 sub X20 & X20 sub X11) => X10 sub X11) & ( (X10 sub X20 & X20 sub X12) => X10 sub X12) & ( (X10 sub X20 & X20 sub X13) => X10 sub X13) & ( (X10 sub X20 & X20 sub X14) => X10 sub X14) & ( (X10 sub X20 & X20 sub X15) => X10 sub X15) & ( (X10 sub X20 & X20 sub X16) => X10 sub X16) & ( (X10 sub X20 & X20 sub X17) => X10 sub X17) & ( (X10 sub X20 & X20 sub X18) => X10 sub X18) & ( (X10 sub X20 & X20 sub X19) => X10 sub X19) & ( (X11 sub X1 & X1 sub X2) => X11 sub X2) & ( (X11 sub X1 & X1 sub X3) => X11 sub X3) & ( (X11 sub X1 & X1 sub X4) => X11 sub X4) & ( (X11 sub X1 & X1 sub X5) => X11 sub X5) & ( (X11 sub X1 & X1 sub X6) => X11 sub X6) & ( (X11 sub X1 & X1 sub X7) => X11 sub X7) & ( (X11 sub X1 & X1 sub X8) => X11 sub X8) & ( (X11 sub X1 & X1 sub X9) => X11 sub X9) & ( (X11 sub X1 & X1 sub X10) => X11 sub X10) & ( (X11 sub X1 & X1 sub X12) => X11 sub X12) & ( (X11 sub X1 & X1 sub X13) => X11 sub X13) & ( (X11 sub X1 & X1 sub X14) => X11 sub X14) & ( (X11 sub X1 & X1 sub X15) => X11 sub X15) & ( (X11 sub X1 & X1 sub X16) => X11 sub X16) & ( (X11 sub X1 & X1 sub X17) => X11 sub X17) & ( (X11 sub X1 & X1 sub X18) => X11 sub X18) & ( (X11 sub X1 & X1 sub X19) => X11 sub X19) & ( (X11 sub X1 & X1 sub X20) => X11 sub X20) & ( (X11 sub X2 & X2 sub X1) => X11 sub X1) & ( (X11 sub X2 & X2 sub X3) => X11 sub X3) & ( (X11 sub X2 & X2 sub X4) => X11 sub X4) & ( (X11 sub X2 & X2 sub X5) => X11 sub X5) & ( (X11 sub X2 & X2 sub X6) => X11 sub X6) & ( (X11 sub X2 & X2 sub X7) => X11 sub X7) & ( (X11 sub X2 & X2 sub X8) => X11 sub X8) & ( (X11 sub X2 & X2 sub X9) => X11 sub X9) & ( (X11 sub X2 & X2 sub X10) => X11 sub X10) & ( (X11 sub X2 & X2 sub X12) => X11 sub X12) & ( (X11 sub X2 & X2 sub X13) => X11 sub X13) & ( (X11 sub X2 & X2 sub X14) => X11 sub X14) & ( (X11 sub X2 & X2 sub X15) => X11 sub X15) & ( (X11 sub X2 & X2 sub X16) => X11 sub X16) & ( (X11 sub X2 & X2 sub X17) => X11 sub X17) & ( (X11 sub X2 & X2 sub X18) => X11 sub X18) & ( (X11 sub X2 & X2 sub X19) => X11 sub X19) & ( (X11 sub X2 & X2 sub X20) => X11 sub X20) & ( (X11 sub X3 & X3 sub X1) => X11 sub X1) & ( (X11 sub X3 & X3 sub X2) => X11 sub X2) & ( (X11 sub X3 & X3 sub X4) => X11 sub X4) & ( (X11 sub X3 & X3 sub X5) => X11 sub X5) & ( (X11 sub X3 & X3 sub X6) => X11 sub X6) & ( (X11 sub X3 & X3 sub X7) => X11 sub X7) & ( (X11 sub X3 & X3 sub X8) => X11 sub X8) & ( (X11 sub X3 & X3 sub X9) => X11 sub X9) & ( (X11 sub X3 & X3 sub X10) => X11 sub X10) & ( (X11 sub X3 & X3 sub X12) => X11 sub X12) & ( (X11 sub X3 & X3 sub X13) => X11 sub X13) & ( (X11 sub X3 & X3 sub X14) => X11 sub X14) & ( (X11 sub X3 & X3 sub X15) => X11 sub X15) & ( (X11 sub X3 & X3 sub X16) => X11 sub X16) & ( (X11 sub X3 & X3 sub X17) => X11 sub X17) & ( (X11 sub X3 & X3 sub X18) => X11 sub X18) & ( (X11 sub X3 & X3 sub X19) => X11 sub X19) & ( (X11 sub X3 & X3 sub X20) => X11 sub X20) & ( (X11 sub X4 & X4 sub X1) => X11 sub X1) & ( (X11 sub X4 & X4 sub X2) => X11 sub X2) & ( (X11 sub X4 & X4 sub X3) => X11 sub X3) & ( (X11 sub X4 & X4 sub X5) => X11 sub X5) & ( (X11 sub X4 & X4 sub X6) => X11 sub X6) & ( (X11 sub X4 & X4 sub X7) => X11 sub X7) & ( (X11 sub X4 & X4 sub X8) => X11 sub X8) & ( (X11 sub X4 & X4 sub X9) => X11 sub X9) & ( (X11 sub X4 & X4 sub X10) => X11 sub X10) & ( (X11 sub X4 & X4 sub X12) => X11 sub X12) & ( (X11 sub X4 & X4 sub X13) => X11 sub X13) & ( (X11 sub X4 & X4 sub X14) => X11 sub X14) & ( (X11 sub X4 & X4 sub X15) => X11 sub X15) & ( (X11 sub X4 & X4 sub X16) => X11 sub X16) & ( (X11 sub X4 & X4 sub X17) => X11 sub X17) & ( (X11 sub X4 & X4 sub X18) => X11 sub X18) & ( (X11 sub X4 & X4 sub X19) => X11 sub X19) & ( (X11 sub X4 & X4 sub X20) => X11 sub X20) & ( (X11 sub X5 & X5 sub X1) => X11 sub X1) & ( (X11 sub X5 & X5 sub X2) => X11 sub X2) & ( (X11 sub X5 & X5 sub X3) => X11 sub X3) & ( (X11 sub X5 & X5 sub X4) => X11 sub X4) & ( (X11 sub X5 & X5 sub X6) => X11 sub X6) & ( (X11 sub X5 & X5 sub X7) => X11 sub X7) & ( (X11 sub X5 & X5 sub X8) => X11 sub X8) & ( (X11 sub X5 & X5 sub X9) => X11 sub X9) & ( (X11 sub X5 & X5 sub X10) => X11 sub X10) & ( (X11 sub X5 & X5 sub X12) => X11 sub X12) & ( (X11 sub X5 & X5 sub X13) => X11 sub X13) & ( (X11 sub X5 & X5 sub X14) => X11 sub X14) & ( (X11 sub X5 & X5 sub X15) => X11 sub X15) & ( (X11 sub X5 & X5 sub X16) => X11 sub X16) & ( (X11 sub X5 & X5 sub X17) => X11 sub X17) & ( (X11 sub X5 & X5 sub X18) => X11 sub X18) & ( (X11 sub X5 & X5 sub X19) => X11 sub X19) & ( (X11 sub X5 & X5 sub X20) => X11 sub X20) & ( (X11 sub X6 & X6 sub X1) => X11 sub X1) & ( (X11 sub X6 & X6 sub X2) => X11 sub X2) & ( (X11 sub X6 & X6 sub X3) => X11 sub X3) & ( (X11 sub X6 & X6 sub X4) => X11 sub X4) & ( (X11 sub X6 & X6 sub X5) => X11 sub X5) & ( (X11 sub X6 & X6 sub X7) => X11 sub X7) & ( (X11 sub X6 & X6 sub X8) => X11 sub X8) & ( (X11 sub X6 & X6 sub X9) => X11 sub X9) & ( (X11 sub X6 & X6 sub X10) => X11 sub X10) & ( (X11 sub X6 & X6 sub X12) => X11 sub X12) & ( (X11 sub X6 & X6 sub X13) => X11 sub X13) & ( (X11 sub X6 & X6 sub X14) => X11 sub X14) & ( (X11 sub X6 & X6 sub X15) => X11 sub X15) & ( (X11 sub X6 & X6 sub X16) => X11 sub X16) & ( (X11 sub X6 & X6 sub X17) => X11 sub X17) & ( (X11 sub X6 & X6 sub X18) => X11 sub X18) & ( (X11 sub X6 & X6 sub X19) => X11 sub X19) & ( (X11 sub X6 & X6 sub X20) => X11 sub X20) & ( (X11 sub X7 & X7 sub X1) => X11 sub X1) & ( (X11 sub X7 & X7 sub X2) => X11 sub X2) & ( (X11 sub X7 & X7 sub X3) => X11 sub X3) & ( (X11 sub X7 & X7 sub X4) => X11 sub X4) & ( (X11 sub X7 & X7 sub X5) => X11 sub X5) & ( (X11 sub X7 & X7 sub X6) => X11 sub X6) & ( (X11 sub X7 & X7 sub X8) => X11 sub X8) & ( (X11 sub X7 & X7 sub X9) => X11 sub X9) & ( (X11 sub X7 & X7 sub X10) => X11 sub X10) & ( (X11 sub X7 & X7 sub X12) => X11 sub X12) & ( (X11 sub X7 & X7 sub X13) => X11 sub X13) & ( (X11 sub X7 & X7 sub X14) => X11 sub X14) & ( (X11 sub X7 & X7 sub X15) => X11 sub X15) & ( (X11 sub X7 & X7 sub X16) => X11 sub X16) & ( (X11 sub X7 & X7 sub X17) => X11 sub X17) & ( (X11 sub X7 & X7 sub X18) => X11 sub X18) & ( (X11 sub X7 & X7 sub X19) => X11 sub X19) & ( (X11 sub X7 & X7 sub X20) => X11 sub X20) & ( (X11 sub X8 & X8 sub X1) => X11 sub X1) & ( (X11 sub X8 & X8 sub X2) => X11 sub X2) & ( (X11 sub X8 & X8 sub X3) => X11 sub X3) & ( (X11 sub X8 & X8 sub X4) => X11 sub X4) & ( (X11 sub X8 & X8 sub X5) => X11 sub X5) & ( (X11 sub X8 & X8 sub X6) => X11 sub X6) & ( (X11 sub X8 & X8 sub X7) => X11 sub X7) & ( (X11 sub X8 & X8 sub X9) => X11 sub X9) & ( (X11 sub X8 & X8 sub X10) => X11 sub X10) & ( (X11 sub X8 & X8 sub X12) => X11 sub X12) & ( (X11 sub X8 & X8 sub X13) => X11 sub X13) & ( (X11 sub X8 & X8 sub X14) => X11 sub X14) & ( (X11 sub X8 & X8 sub X15) => X11 sub X15) & ( (X11 sub X8 & X8 sub X16) => X11 sub X16) & ( (X11 sub X8 & X8 sub X17) => X11 sub X17) & ( (X11 sub X8 & X8 sub X18) => X11 sub X18) & ( (X11 sub X8 & X8 sub X19) => X11 sub X19) & ( (X11 sub X8 & X8 sub X20) => X11 sub X20) & ( (X11 sub X9 & X9 sub X1) => X11 sub X1) & ( (X11 sub X9 & X9 sub X2) => X11 sub X2) & ( (X11 sub X9 & X9 sub X3) => X11 sub X3) & ( (X11 sub X9 & X9 sub X4) => X11 sub X4) & ( (X11 sub X9 & X9 sub X5) => X11 sub X5) & ( (X11 sub X9 & X9 sub X6) => X11 sub X6) & ( (X11 sub X9 & X9 sub X7) => X11 sub X7) & ( (X11 sub X9 & X9 sub X8) => X11 sub X8) & ( (X11 sub X9 & X9 sub X10) => X11 sub X10) & ( (X11 sub X9 & X9 sub X12) => X11 sub X12) & ( (X11 sub X9 & X9 sub X13) => X11 sub X13) & ( (X11 sub X9 & X9 sub X14) => X11 sub X14) & ( (X11 sub X9 & X9 sub X15) => X11 sub X15) & ( (X11 sub X9 & X9 sub X16) => X11 sub X16) & ( (X11 sub X9 & X9 sub X17) => X11 sub X17) & ( (X11 sub X9 & X9 sub X18) => X11 sub X18) & ( (X11 sub X9 & X9 sub X19) => X11 sub X19) & ( (X11 sub X9 & X9 sub X20) => X11 sub X20) & ( (X11 sub X10 & X10 sub X1) => X11 sub X1) & ( (X11 sub X10 & X10 sub X2) => X11 sub X2) & ( (X11 sub X10 & X10 sub X3) => X11 sub X3) & ( (X11 sub X10 & X10 sub X4) => X11 sub X4) & ( (X11 sub X10 & X10 sub X5) => X11 sub X5) & ( (X11 sub X10 & X10 sub X6) => X11 sub X6) & ( (X11 sub X10 & X10 sub X7) => X11 sub X7) & ( (X11 sub X10 & X10 sub X8) => X11 sub X8) & ( (X11 sub X10 & X10 sub X9) => X11 sub X9) & ( (X11 sub X10 & X10 sub X12) => X11 sub X12) & ( (X11 sub X10 & X10 sub X13) => X11 sub X13) & ( (X11 sub X10 & X10 sub X14) => X11 sub X14) & ( (X11 sub X10 & X10 sub X15) => X11 sub X15) & ( (X11 sub X10 & X10 sub X16) => X11 sub X16) & ( (X11 sub X10 & X10 sub X17) => X11 sub X17) & ( (X11 sub X10 & X10 sub X18) => X11 sub X18) & ( (X11 sub X10 & X10 sub X19) => X11 sub X19) & ( (X11 sub X10 & X10 sub X20) => X11 sub X20) & ( (X11 sub X12 & X12 sub X1) => X11 sub X1) & ( (X11 sub X12 & X12 sub X2) => X11 sub X2) & ( (X11 sub X12 & X12 sub X3) => X11 sub X3) & ( (X11 sub X12 & X12 sub X4) => X11 sub X4) & ( (X11 sub X12 & X12 sub X5) => X11 sub X5) & ( (X11 sub X12 & X12 sub X6) => X11 sub X6) & ( (X11 sub X12 & X12 sub X7) => X11 sub X7) & ( (X11 sub X12 & X12 sub X8) => X11 sub X8) & ( (X11 sub X12 & X12 sub X9) => X11 sub X9) & ( (X11 sub X12 & X12 sub X10) => X11 sub X10) & ( (X11 sub X12 & X12 sub X13) => X11 sub X13) & ( (X11 sub X12 & X12 sub X14) => X11 sub X14) & ( (X11 sub X12 & X12 sub X15) => X11 sub X15) & ( (X11 sub X12 & X12 sub X16) => X11 sub X16) & ( (X11 sub X12 & X12 sub X17) => X11 sub X17) & ( (X11 sub X12 & X12 sub X18) => X11 sub X18) & ( (X11 sub X12 & X12 sub X19) => X11 sub X19) & ( (X11 sub X12 & X12 sub X20) => X11 sub X20) & ( (X11 sub X13 & X13 sub X1) => X11 sub X1) & ( (X11 sub X13 & X13 sub X2) => X11 sub X2) & ( (X11 sub X13 & X13 sub X3) => X11 sub X3) & ( (X11 sub X13 & X13 sub X4) => X11 sub X4) & ( (X11 sub X13 & X13 sub X5) => X11 sub X5) & ( (X11 sub X13 & X13 sub X6) => X11 sub X6) & ( (X11 sub X13 & X13 sub X7) => X11 sub X7) & ( (X11 sub X13 & X13 sub X8) => X11 sub X8) & ( (X11 sub X13 & X13 sub X9) => X11 sub X9) & ( (X11 sub X13 & X13 sub X10) => X11 sub X10) & ( (X11 sub X13 & X13 sub X12) => X11 sub X12) & ( (X11 sub X13 & X13 sub X14) => X11 sub X14) & ( (X11 sub X13 & X13 sub X15) => X11 sub X15) & ( (X11 sub X13 & X13 sub X16) => X11 sub X16) & ( (X11 sub X13 & X13 sub X17) => X11 sub X17) & ( (X11 sub X13 & X13 sub X18) => X11 sub X18) & ( (X11 sub X13 & X13 sub X19) => X11 sub X19) & ( (X11 sub X13 & X13 sub X20) => X11 sub X20) & ( (X11 sub X14 & X14 sub X1) => X11 sub X1) & ( (X11 sub X14 & X14 sub X2) => X11 sub X2) & ( (X11 sub X14 & X14 sub X3) => X11 sub X3) & ( (X11 sub X14 & X14 sub X4) => X11 sub X4) & ( (X11 sub X14 & X14 sub X5) => X11 sub X5) & ( (X11 sub X14 & X14 sub X6) => X11 sub X6) & ( (X11 sub X14 & X14 sub X7) => X11 sub X7) & ( (X11 sub X14 & X14 sub X8) => X11 sub X8) & ( (X11 sub X14 & X14 sub X9) => X11 sub X9) & ( (X11 sub X14 & X14 sub X10) => X11 sub X10) & ( (X11 sub X14 & X14 sub X12) => X11 sub X12) & ( (X11 sub X14 & X14 sub X13) => X11 sub X13) & ( (X11 sub X14 & X14 sub X15) => X11 sub X15) & ( (X11 sub X14 & X14 sub X16) => X11 sub X16) & ( (X11 sub X14 & X14 sub X17) => X11 sub X17) & ( (X11 sub X14 & X14 sub X18) => X11 sub X18) & ( (X11 sub X14 & X14 sub X19) => X11 sub X19) & ( (X11 sub X14 & X14 sub X20) => X11 sub X20) & ( (X11 sub X15 & X15 sub X1) => X11 sub X1) & ( (X11 sub X15 & X15 sub X2) => X11 sub X2) & ( (X11 sub X15 & X15 sub X3) => X11 sub X3) & ( (X11 sub X15 & X15 sub X4) => X11 sub X4) & ( (X11 sub X15 & X15 sub X5) => X11 sub X5) & ( (X11 sub X15 & X15 sub X6) => X11 sub X6) & ( (X11 sub X15 & X15 sub X7) => X11 sub X7) & ( (X11 sub X15 & X15 sub X8) => X11 sub X8) & ( (X11 sub X15 & X15 sub X9) => X11 sub X9) & ( (X11 sub X15 & X15 sub X10) => X11 sub X10) & ( (X11 sub X15 & X15 sub X12) => X11 sub X12) & ( (X11 sub X15 & X15 sub X13) => X11 sub X13) & ( (X11 sub X15 & X15 sub X14) => X11 sub X14) & ( (X11 sub X15 & X15 sub X16) => X11 sub X16) & ( (X11 sub X15 & X15 sub X17) => X11 sub X17) & ( (X11 sub X15 & X15 sub X18) => X11 sub X18) & ( (X11 sub X15 & X15 sub X19) => X11 sub X19) & ( (X11 sub X15 & X15 sub X20) => X11 sub X20) & ( (X11 sub X16 & X16 sub X1) => X11 sub X1) & ( (X11 sub X16 & X16 sub X2) => X11 sub X2) & ( (X11 sub X16 & X16 sub X3) => X11 sub X3) & ( (X11 sub X16 & X16 sub X4) => X11 sub X4) & ( (X11 sub X16 & X16 sub X5) => X11 sub X5) & ( (X11 sub X16 & X16 sub X6) => X11 sub X6) & ( (X11 sub X16 & X16 sub X7) => X11 sub X7) & ( (X11 sub X16 & X16 sub X8) => X11 sub X8) & ( (X11 sub X16 & X16 sub X9) => X11 sub X9) & ( (X11 sub X16 & X16 sub X10) => X11 sub X10) & ( (X11 sub X16 & X16 sub X12) => X11 sub X12) & ( (X11 sub X16 & X16 sub X13) => X11 sub X13) & ( (X11 sub X16 & X16 sub X14) => X11 sub X14) & ( (X11 sub X16 & X16 sub X15) => X11 sub X15) & ( (X11 sub X16 & X16 sub X17) => X11 sub X17) & ( (X11 sub X16 & X16 sub X18) => X11 sub X18) & ( (X11 sub X16 & X16 sub X19) => X11 sub X19) & ( (X11 sub X16 & X16 sub X20) => X11 sub X20) & ( (X11 sub X17 & X17 sub X1) => X11 sub X1) & ( (X11 sub X17 & X17 sub X2) => X11 sub X2) & ( (X11 sub X17 & X17 sub X3) => X11 sub X3) & ( (X11 sub X17 & X17 sub X4) => X11 sub X4) & ( (X11 sub X17 & X17 sub X5) => X11 sub X5) & ( (X11 sub X17 & X17 sub X6) => X11 sub X6) & ( (X11 sub X17 & X17 sub X7) => X11 sub X7) & ( (X11 sub X17 & X17 sub X8) => X11 sub X8) & ( (X11 sub X17 & X17 sub X9) => X11 sub X9) & ( (X11 sub X17 & X17 sub X10) => X11 sub X10) & ( (X11 sub X17 & X17 sub X12) => X11 sub X12) & ( (X11 sub X17 & X17 sub X13) => X11 sub X13) & ( (X11 sub X17 & X17 sub X14) => X11 sub X14) & ( (X11 sub X17 & X17 sub X15) => X11 sub X15) & ( (X11 sub X17 & X17 sub X16) => X11 sub X16) & ( (X11 sub X17 & X17 sub X18) => X11 sub X18) & ( (X11 sub X17 & X17 sub X19) => X11 sub X19) & ( (X11 sub X17 & X17 sub X20) => X11 sub X20) & ( (X11 sub X18 & X18 sub X1) => X11 sub X1) & ( (X11 sub X18 & X18 sub X2) => X11 sub X2) & ( (X11 sub X18 & X18 sub X3) => X11 sub X3) & ( (X11 sub X18 & X18 sub X4) => X11 sub X4) & ( (X11 sub X18 & X18 sub X5) => X11 sub X5) & ( (X11 sub X18 & X18 sub X6) => X11 sub X6) & ( (X11 sub X18 & X18 sub X7) => X11 sub X7) & ( (X11 sub X18 & X18 sub X8) => X11 sub X8) & ( (X11 sub X18 & X18 sub X9) => X11 sub X9) & ( (X11 sub X18 & X18 sub X10) => X11 sub X10) & ( (X11 sub X18 & X18 sub X12) => X11 sub X12) & ( (X11 sub X18 & X18 sub X13) => X11 sub X13) & ( (X11 sub X18 & X18 sub X14) => X11 sub X14) & ( (X11 sub X18 & X18 sub X15) => X11 sub X15) & ( (X11 sub X18 & X18 sub X16) => X11 sub X16) & ( (X11 sub X18 & X18 sub X17) => X11 sub X17) & ( (X11 sub X18 & X18 sub X19) => X11 sub X19) & ( (X11 sub X18 & X18 sub X20) => X11 sub X20) & ( (X11 sub X19 & X19 sub X1) => X11 sub X1) & ( (X11 sub X19 & X19 sub X2) => X11 sub X2) & ( (X11 sub X19 & X19 sub X3) => X11 sub X3) & ( (X11 sub X19 & X19 sub X4) => X11 sub X4) & ( (X11 sub X19 & X19 sub X5) => X11 sub X5) & ( (X11 sub X19 & X19 sub X6) => X11 sub X6) & ( (X11 sub X19 & X19 sub X7) => X11 sub X7) & ( (X11 sub X19 & X19 sub X8) => X11 sub X8) & ( (X11 sub X19 & X19 sub X9) => X11 sub X9) & ( (X11 sub X19 & X19 sub X10) => X11 sub X10) & ( (X11 sub X19 & X19 sub X12) => X11 sub X12) & ( (X11 sub X19 & X19 sub X13) => X11 sub X13) & ( (X11 sub X19 & X19 sub X14) => X11 sub X14) & ( (X11 sub X19 & X19 sub X15) => X11 sub X15) & ( (X11 sub X19 & X19 sub X16) => X11 sub X16) & ( (X11 sub X19 & X19 sub X17) => X11 sub X17) & ( (X11 sub X19 & X19 sub X18) => X11 sub X18) & ( (X11 sub X19 & X19 sub X20) => X11 sub X20) & ( (X11 sub X20 & X20 sub X1) => X11 sub X1) & ( (X11 sub X20 & X20 sub X2) => X11 sub X2) & ( (X11 sub X20 & X20 sub X3) => X11 sub X3) & ( (X11 sub X20 & X20 sub X4) => X11 sub X4) & ( (X11 sub X20 & X20 sub X5) => X11 sub X5) & ( (X11 sub X20 & X20 sub X6) => X11 sub X6) & ( (X11 sub X20 & X20 sub X7) => X11 sub X7) & ( (X11 sub X20 & X20 sub X8) => X11 sub X8) & ( (X11 sub X20 & X20 sub X9) => X11 sub X9) & ( (X11 sub X20 & X20 sub X10) => X11 sub X10) & ( (X11 sub X20 & X20 sub X12) => X11 sub X12) & ( (X11 sub X20 & X20 sub X13) => X11 sub X13) & ( (X11 sub X20 & X20 sub X14) => X11 sub X14) & ( (X11 sub X20 & X20 sub X15) => X11 sub X15) & ( (X11 sub X20 & X20 sub X16) => X11 sub X16) & ( (X11 sub X20 & X20 sub X17) => X11 sub X17) & ( (X11 sub X20 & X20 sub X18) => X11 sub X18) & ( (X11 sub X20 & X20 sub X19) => X11 sub X19) & ( (X12 sub X1 & X1 sub X2) => X12 sub X2) & ( (X12 sub X1 & X1 sub X3) => X12 sub X3) & ( (X12 sub X1 & X1 sub X4) => X12 sub X4) & ( (X12 sub X1 & X1 sub X5) => X12 sub X5) & ( (X12 sub X1 & X1 sub X6) => X12 sub X6) & ( (X12 sub X1 & X1 sub X7) => X12 sub X7) & ( (X12 sub X1 & X1 sub X8) => X12 sub X8) & ( (X12 sub X1 & X1 sub X9) => X12 sub X9) & ( (X12 sub X1 & X1 sub X10) => X12 sub X10) & ( (X12 sub X1 & X1 sub X11) => X12 sub X11) & ( (X12 sub X1 & X1 sub X13) => X12 sub X13) & ( (X12 sub X1 & X1 sub X14) => X12 sub X14) & ( (X12 sub X1 & X1 sub X15) => X12 sub X15) & ( (X12 sub X1 & X1 sub X16) => X12 sub X16) & ( (X12 sub X1 & X1 sub X17) => X12 sub X17) & ( (X12 sub X1 & X1 sub X18) => X12 sub X18) & ( (X12 sub X1 & X1 sub X19) => X12 sub X19) & ( (X12 sub X1 & X1 sub X20) => X12 sub X20) & ( (X12 sub X2 & X2 sub X1) => X12 sub X1) & ( (X12 sub X2 & X2 sub X3) => X12 sub X3) & ( (X12 sub X2 & X2 sub X4) => X12 sub X4) & ( (X12 sub X2 & X2 sub X5) => X12 sub X5) & ( (X12 sub X2 & X2 sub X6) => X12 sub X6) & ( (X12 sub X2 & X2 sub X7) => X12 sub X7) & ( (X12 sub X2 & X2 sub X8) => X12 sub X8) & ( (X12 sub X2 & X2 sub X9) => X12 sub X9) & ( (X12 sub X2 & X2 sub X10) => X12 sub X10) & ( (X12 sub X2 & X2 sub X11) => X12 sub X11) & ( (X12 sub X2 & X2 sub X13) => X12 sub X13) & ( (X12 sub X2 & X2 sub X14) => X12 sub X14) & ( (X12 sub X2 & X2 sub X15) => X12 sub X15) & ( (X12 sub X2 & X2 sub X16) => X12 sub X16) & ( (X12 sub X2 & X2 sub X17) => X12 sub X17) & ( (X12 sub X2 & X2 sub X18) => X12 sub X18) & ( (X12 sub X2 & X2 sub X19) => X12 sub X19) & ( (X12 sub X2 & X2 sub X20) => X12 sub X20) & ( (X12 sub X3 & X3 sub X1) => X12 sub X1) & ( (X12 sub X3 & X3 sub X2) => X12 sub X2) & ( (X12 sub X3 & X3 sub X4) => X12 sub X4) & ( (X12 sub X3 & X3 sub X5) => X12 sub X5) & ( (X12 sub X3 & X3 sub X6) => X12 sub X6) & ( (X12 sub X3 & X3 sub X7) => X12 sub X7) & ( (X12 sub X3 & X3 sub X8) => X12 sub X8) & ( (X12 sub X3 & X3 sub X9) => X12 sub X9) & ( (X12 sub X3 & X3 sub X10) => X12 sub X10) & ( (X12 sub X3 & X3 sub X11) => X12 sub X11) & ( (X12 sub X3 & X3 sub X13) => X12 sub X13) & ( (X12 sub X3 & X3 sub X14) => X12 sub X14) & ( (X12 sub X3 & X3 sub X15) => X12 sub X15) & ( (X12 sub X3 & X3 sub X16) => X12 sub X16) & ( (X12 sub X3 & X3 sub X17) => X12 sub X17) & ( (X12 sub X3 & X3 sub X18) => X12 sub X18) & ( (X12 sub X3 & X3 sub X19) => X12 sub X19) & ( (X12 sub X3 & X3 sub X20) => X12 sub X20) & ( (X12 sub X4 & X4 sub X1) => X12 sub X1) & ( (X12 sub X4 & X4 sub X2) => X12 sub X2) & ( (X12 sub X4 & X4 sub X3) => X12 sub X3) & ( (X12 sub X4 & X4 sub X5) => X12 sub X5) & ( (X12 sub X4 & X4 sub X6) => X12 sub X6) & ( (X12 sub X4 & X4 sub X7) => X12 sub X7) & ( (X12 sub X4 & X4 sub X8) => X12 sub X8) & ( (X12 sub X4 & X4 sub X9) => X12 sub X9) & ( (X12 sub X4 & X4 sub X10) => X12 sub X10) & ( (X12 sub X4 & X4 sub X11) => X12 sub X11) & ( (X12 sub X4 & X4 sub X13) => X12 sub X13) & ( (X12 sub X4 & X4 sub X14) => X12 sub X14) & ( (X12 sub X4 & X4 sub X15) => X12 sub X15) & ( (X12 sub X4 & X4 sub X16) => X12 sub X16) & ( (X12 sub X4 & X4 sub X17) => X12 sub X17) & ( (X12 sub X4 & X4 sub X18) => X12 sub X18) & ( (X12 sub X4 & X4 sub X19) => X12 sub X19) & ( (X12 sub X4 & X4 sub X20) => X12 sub X20) & ( (X12 sub X5 & X5 sub X1) => X12 sub X1) & ( (X12 sub X5 & X5 sub X2) => X12 sub X2) & ( (X12 sub X5 & X5 sub X3) => X12 sub X3) & ( (X12 sub X5 & X5 sub X4) => X12 sub X4) & ( (X12 sub X5 & X5 sub X6) => X12 sub X6) & ( (X12 sub X5 & X5 sub X7) => X12 sub X7) & ( (X12 sub X5 & X5 sub X8) => X12 sub X8) & ( (X12 sub X5 & X5 sub X9) => X12 sub X9) & ( (X12 sub X5 & X5 sub X10) => X12 sub X10) & ( (X12 sub X5 & X5 sub X11) => X12 sub X11) & ( (X12 sub X5 & X5 sub X13) => X12 sub X13) & ( (X12 sub X5 & X5 sub X14) => X12 sub X14) & ( (X12 sub X5 & X5 sub X15) => X12 sub X15) & ( (X12 sub X5 & X5 sub X16) => X12 sub X16) & ( (X12 sub X5 & X5 sub X17) => X12 sub X17) & ( (X12 sub X5 & X5 sub X18) => X12 sub X18) & ( (X12 sub X5 & X5 sub X19) => X12 sub X19) & ( (X12 sub X5 & X5 sub X20) => X12 sub X20) & ( (X12 sub X6 & X6 sub X1) => X12 sub X1) & ( (X12 sub X6 & X6 sub X2) => X12 sub X2) & ( (X12 sub X6 & X6 sub X3) => X12 sub X3) & ( (X12 sub X6 & X6 sub X4) => X12 sub X4) & ( (X12 sub X6 & X6 sub X5) => X12 sub X5) & ( (X12 sub X6 & X6 sub X7) => X12 sub X7) & ( (X12 sub X6 & X6 sub X8) => X12 sub X8) & ( (X12 sub X6 & X6 sub X9) => X12 sub X9) & ( (X12 sub X6 & X6 sub X10) => X12 sub X10) & ( (X12 sub X6 & X6 sub X11) => X12 sub X11) & ( (X12 sub X6 & X6 sub X13) => X12 sub X13) & ( (X12 sub X6 & X6 sub X14) => X12 sub X14) & ( (X12 sub X6 & X6 sub X15) => X12 sub X15) & ( (X12 sub X6 & X6 sub X16) => X12 sub X16) & ( (X12 sub X6 & X6 sub X17) => X12 sub X17) & ( (X12 sub X6 & X6 sub X18) => X12 sub X18) & ( (X12 sub X6 & X6 sub X19) => X12 sub X19) & ( (X12 sub X6 & X6 sub X20) => X12 sub X20) & ( (X12 sub X7 & X7 sub X1) => X12 sub X1) & ( (X12 sub X7 & X7 sub X2) => X12 sub X2) & ( (X12 sub X7 & X7 sub X3) => X12 sub X3) & ( (X12 sub X7 & X7 sub X4) => X12 sub X4) & ( (X12 sub X7 & X7 sub X5) => X12 sub X5) & ( (X12 sub X7 & X7 sub X6) => X12 sub X6) & ( (X12 sub X7 & X7 sub X8) => X12 sub X8) & ( (X12 sub X7 & X7 sub X9) => X12 sub X9) & ( (X12 sub X7 & X7 sub X10) => X12 sub X10) & ( (X12 sub X7 & X7 sub X11) => X12 sub X11) & ( (X12 sub X7 & X7 sub X13) => X12 sub X13) & ( (X12 sub X7 & X7 sub X14) => X12 sub X14) & ( (X12 sub X7 & X7 sub X15) => X12 sub X15) & ( (X12 sub X7 & X7 sub X16) => X12 sub X16) & ( (X12 sub X7 & X7 sub X17) => X12 sub X17) & ( (X12 sub X7 & X7 sub X18) => X12 sub X18) & ( (X12 sub X7 & X7 sub X19) => X12 sub X19) & ( (X12 sub X7 & X7 sub X20) => X12 sub X20) & ( (X12 sub X8 & X8 sub X1) => X12 sub X1) & ( (X12 sub X8 & X8 sub X2) => X12 sub X2) & ( (X12 sub X8 & X8 sub X3) => X12 sub X3) & ( (X12 sub X8 & X8 sub X4) => X12 sub X4) & ( (X12 sub X8 & X8 sub X5) => X12 sub X5) & ( (X12 sub X8 & X8 sub X6) => X12 sub X6) & ( (X12 sub X8 & X8 sub X7) => X12 sub X7) & ( (X12 sub X8 & X8 sub X9) => X12 sub X9) & ( (X12 sub X8 & X8 sub X10) => X12 sub X10) & ( (X12 sub X8 & X8 sub X11) => X12 sub X11) & ( (X12 sub X8 & X8 sub X13) => X12 sub X13) & ( (X12 sub X8 & X8 sub X14) => X12 sub X14) & ( (X12 sub X8 & X8 sub X15) => X12 sub X15) & ( (X12 sub X8 & X8 sub X16) => X12 sub X16) & ( (X12 sub X8 & X8 sub X17) => X12 sub X17) & ( (X12 sub X8 & X8 sub X18) => X12 sub X18) & ( (X12 sub X8 & X8 sub X19) => X12 sub X19) & ( (X12 sub X8 & X8 sub X20) => X12 sub X20) & ( (X12 sub X9 & X9 sub X1) => X12 sub X1) & ( (X12 sub X9 & X9 sub X2) => X12 sub X2) & ( (X12 sub X9 & X9 sub X3) => X12 sub X3) & ( (X12 sub X9 & X9 sub X4) => X12 sub X4) & ( (X12 sub X9 & X9 sub X5) => X12 sub X5) & ( (X12 sub X9 & X9 sub X6) => X12 sub X6) & ( (X12 sub X9 & X9 sub X7) => X12 sub X7) & ( (X12 sub X9 & X9 sub X8) => X12 sub X8) & ( (X12 sub X9 & X9 sub X10) => X12 sub X10) & ( (X12 sub X9 & X9 sub X11) => X12 sub X11) & ( (X12 sub X9 & X9 sub X13) => X12 sub X13) & ( (X12 sub X9 & X9 sub X14) => X12 sub X14) & ( (X12 sub X9 & X9 sub X15) => X12 sub X15) & ( (X12 sub X9 & X9 sub X16) => X12 sub X16) & ( (X12 sub X9 & X9 sub X17) => X12 sub X17) & ( (X12 sub X9 & X9 sub X18) => X12 sub X18) & ( (X12 sub X9 & X9 sub X19) => X12 sub X19) & ( (X12 sub X9 & X9 sub X20) => X12 sub X20) & ( (X12 sub X10 & X10 sub X1) => X12 sub X1) & ( (X12 sub X10 & X10 sub X2) => X12 sub X2) & ( (X12 sub X10 & X10 sub X3) => X12 sub X3) & ( (X12 sub X10 & X10 sub X4) => X12 sub X4) & ( (X12 sub X10 & X10 sub X5) => X12 sub X5) & ( (X12 sub X10 & X10 sub X6) => X12 sub X6) & ( (X12 sub X10 & X10 sub X7) => X12 sub X7) & ( (X12 sub X10 & X10 sub X8) => X12 sub X8) & ( (X12 sub X10 & X10 sub X9) => X12 sub X9) & ( (X12 sub X10 & X10 sub X11) => X12 sub X11) & ( (X12 sub X10 & X10 sub X13) => X12 sub X13) & ( (X12 sub X10 & X10 sub X14) => X12 sub X14) & ( (X12 sub X10 & X10 sub X15) => X12 sub X15) & ( (X12 sub X10 & X10 sub X16) => X12 sub X16) & ( (X12 sub X10 & X10 sub X17) => X12 sub X17) & ( (X12 sub X10 & X10 sub X18) => X12 sub X18) & ( (X12 sub X10 & X10 sub X19) => X12 sub X19) & ( (X12 sub X10 & X10 sub X20) => X12 sub X20) & ( (X12 sub X11 & X11 sub X1) => X12 sub X1) & ( (X12 sub X11 & X11 sub X2) => X12 sub X2) & ( (X12 sub X11 & X11 sub X3) => X12 sub X3) & ( (X12 sub X11 & X11 sub X4) => X12 sub X4) & ( (X12 sub X11 & X11 sub X5) => X12 sub X5) & ( (X12 sub X11 & X11 sub X6) => X12 sub X6) & ( (X12 sub X11 & X11 sub X7) => X12 sub X7) & ( (X12 sub X11 & X11 sub X8) => X12 sub X8) & ( (X12 sub X11 & X11 sub X9) => X12 sub X9) & ( (X12 sub X11 & X11 sub X10) => X12 sub X10) & ( (X12 sub X11 & X11 sub X13) => X12 sub X13) & ( (X12 sub X11 & X11 sub X14) => X12 sub X14) & ( (X12 sub X11 & X11 sub X15) => X12 sub X15) & ( (X12 sub X11 & X11 sub X16) => X12 sub X16) & ( (X12 sub X11 & X11 sub X17) => X12 sub X17) & ( (X12 sub X11 & X11 sub X18) => X12 sub X18) & ( (X12 sub X11 & X11 sub X19) => X12 sub X19) & ( (X12 sub X11 & X11 sub X20) => X12 sub X20) & ( (X12 sub X13 & X13 sub X1) => X12 sub X1) & ( (X12 sub X13 & X13 sub X2) => X12 sub X2) & ( (X12 sub X13 & X13 sub X3) => X12 sub X3) & ( (X12 sub X13 & X13 sub X4) => X12 sub X4) & ( (X12 sub X13 & X13 sub X5) => X12 sub X5) & ( (X12 sub X13 & X13 sub X6) => X12 sub X6) & ( (X12 sub X13 & X13 sub X7) => X12 sub X7) & ( (X12 sub X13 & X13 sub X8) => X12 sub X8) & ( (X12 sub X13 & X13 sub X9) => X12 sub X9) & ( (X12 sub X13 & X13 sub X10) => X12 sub X10) & ( (X12 sub X13 & X13 sub X11) => X12 sub X11) & ( (X12 sub X13 & X13 sub X14) => X12 sub X14) & ( (X12 sub X13 & X13 sub X15) => X12 sub X15) & ( (X12 sub X13 & X13 sub X16) => X12 sub X16) & ( (X12 sub X13 & X13 sub X17) => X12 sub X17) & ( (X12 sub X13 & X13 sub X18) => X12 sub X18) & ( (X12 sub X13 & X13 sub X19) => X12 sub X19) & ( (X12 sub X13 & X13 sub X20) => X12 sub X20) & ( (X12 sub X14 & X14 sub X1) => X12 sub X1) & ( (X12 sub X14 & X14 sub X2) => X12 sub X2) & ( (X12 sub X14 & X14 sub X3) => X12 sub X3) & ( (X12 sub X14 & X14 sub X4) => X12 sub X4) & ( (X12 sub X14 & X14 sub X5) => X12 sub X5) & ( (X12 sub X14 & X14 sub X6) => X12 sub X6) & ( (X12 sub X14 & X14 sub X7) => X12 sub X7) & ( (X12 sub X14 & X14 sub X8) => X12 sub X8) & ( (X12 sub X14 & X14 sub X9) => X12 sub X9) & ( (X12 sub X14 & X14 sub X10) => X12 sub X10) & ( (X12 sub X14 & X14 sub X11) => X12 sub X11) & ( (X12 sub X14 & X14 sub X13) => X12 sub X13) & ( (X12 sub X14 & X14 sub X15) => X12 sub X15) & ( (X12 sub X14 & X14 sub X16) => X12 sub X16) & ( (X12 sub X14 & X14 sub X17) => X12 sub X17) & ( (X12 sub X14 & X14 sub X18) => X12 sub X18) & ( (X12 sub X14 & X14 sub X19) => X12 sub X19) & ( (X12 sub X14 & X14 sub X20) => X12 sub X20) & ( (X12 sub X15 & X15 sub X1) => X12 sub X1) & ( (X12 sub X15 & X15 sub X2) => X12 sub X2) & ( (X12 sub X15 & X15 sub X3) => X12 sub X3) & ( (X12 sub X15 & X15 sub X4) => X12 sub X4) & ( (X12 sub X15 & X15 sub X5) => X12 sub X5) & ( (X12 sub X15 & X15 sub X6) => X12 sub X6) & ( (X12 sub X15 & X15 sub X7) => X12 sub X7) & ( (X12 sub X15 & X15 sub X8) => X12 sub X8) & ( (X12 sub X15 & X15 sub X9) => X12 sub X9) & ( (X12 sub X15 & X15 sub X10) => X12 sub X10) & ( (X12 sub X15 & X15 sub X11) => X12 sub X11) & ( (X12 sub X15 & X15 sub X13) => X12 sub X13) & ( (X12 sub X15 & X15 sub X14) => X12 sub X14) & ( (X12 sub X15 & X15 sub X16) => X12 sub X16) & ( (X12 sub X15 & X15 sub X17) => X12 sub X17) & ( (X12 sub X15 & X15 sub X18) => X12 sub X18) & ( (X12 sub X15 & X15 sub X19) => X12 sub X19) & ( (X12 sub X15 & X15 sub X20) => X12 sub X20) & ( (X12 sub X16 & X16 sub X1) => X12 sub X1) & ( (X12 sub X16 & X16 sub X2) => X12 sub X2) & ( (X12 sub X16 & X16 sub X3) => X12 sub X3) & ( (X12 sub X16 & X16 sub X4) => X12 sub X4) & ( (X12 sub X16 & X16 sub X5) => X12 sub X5) & ( (X12 sub X16 & X16 sub X6) => X12 sub X6) & ( (X12 sub X16 & X16 sub X7) => X12 sub X7) & ( (X12 sub X16 & X16 sub X8) => X12 sub X8) & ( (X12 sub X16 & X16 sub X9) => X12 sub X9) & ( (X12 sub X16 & X16 sub X10) => X12 sub X10) & ( (X12 sub X16 & X16 sub X11) => X12 sub X11) & ( (X12 sub X16 & X16 sub X13) => X12 sub X13) & ( (X12 sub X16 & X16 sub X14) => X12 sub X14) & ( (X12 sub X16 & X16 sub X15) => X12 sub X15) & ( (X12 sub X16 & X16 sub X17) => X12 sub X17) & ( (X12 sub X16 & X16 sub X18) => X12 sub X18) & ( (X12 sub X16 & X16 sub X19) => X12 sub X19) & ( (X12 sub X16 & X16 sub X20) => X12 sub X20) & ( (X12 sub X17 & X17 sub X1) => X12 sub X1) & ( (X12 sub X17 & X17 sub X2) => X12 sub X2) & ( (X12 sub X17 & X17 sub X3) => X12 sub X3) & ( (X12 sub X17 & X17 sub X4) => X12 sub X4) & ( (X12 sub X17 & X17 sub X5) => X12 sub X5) & ( (X12 sub X17 & X17 sub X6) => X12 sub X6) & ( (X12 sub X17 & X17 sub X7) => X12 sub X7) & ( (X12 sub X17 & X17 sub X8) => X12 sub X8) & ( (X12 sub X17 & X17 sub X9) => X12 sub X9) & ( (X12 sub X17 & X17 sub X10) => X12 sub X10) & ( (X12 sub X17 & X17 sub X11) => X12 sub X11) & ( (X12 sub X17 & X17 sub X13) => X12 sub X13) & ( (X12 sub X17 & X17 sub X14) => X12 sub X14) & ( (X12 sub X17 & X17 sub X15) => X12 sub X15) & ( (X12 sub X17 & X17 sub X16) => X12 sub X16) & ( (X12 sub X17 & X17 sub X18) => X12 sub X18) & ( (X12 sub X17 & X17 sub X19) => X12 sub X19) & ( (X12 sub X17 & X17 sub X20) => X12 sub X20) & ( (X12 sub X18 & X18 sub X1) => X12 sub X1) & ( (X12 sub X18 & X18 sub X2) => X12 sub X2) & ( (X12 sub X18 & X18 sub X3) => X12 sub X3) & ( (X12 sub X18 & X18 sub X4) => X12 sub X4) & ( (X12 sub X18 & X18 sub X5) => X12 sub X5) & ( (X12 sub X18 & X18 sub X6) => X12 sub X6) & ( (X12 sub X18 & X18 sub X7) => X12 sub X7) & ( (X12 sub X18 & X18 sub X8) => X12 sub X8) & ( (X12 sub X18 & X18 sub X9) => X12 sub X9) & ( (X12 sub X18 & X18 sub X10) => X12 sub X10) & ( (X12 sub X18 & X18 sub X11) => X12 sub X11) & ( (X12 sub X18 & X18 sub X13) => X12 sub X13) & ( (X12 sub X18 & X18 sub X14) => X12 sub X14) & ( (X12 sub X18 & X18 sub X15) => X12 sub X15) & ( (X12 sub X18 & X18 sub X16) => X12 sub X16) & ( (X12 sub X18 & X18 sub X17) => X12 sub X17) & ( (X12 sub X18 & X18 sub X19) => X12 sub X19) & ( (X12 sub X18 & X18 sub X20) => X12 sub X20) & ( (X12 sub X19 & X19 sub X1) => X12 sub X1) & ( (X12 sub X19 & X19 sub X2) => X12 sub X2) & ( (X12 sub X19 & X19 sub X3) => X12 sub X3) & ( (X12 sub X19 & X19 sub X4) => X12 sub X4) & ( (X12 sub X19 & X19 sub X5) => X12 sub X5) & ( (X12 sub X19 & X19 sub X6) => X12 sub X6) & ( (X12 sub X19 & X19 sub X7) => X12 sub X7) & ( (X12 sub X19 & X19 sub X8) => X12 sub X8) & ( (X12 sub X19 & X19 sub X9) => X12 sub X9) & ( (X12 sub X19 & X19 sub X10) => X12 sub X10) & ( (X12 sub X19 & X19 sub X11) => X12 sub X11) & ( (X12 sub X19 & X19 sub X13) => X12 sub X13) & ( (X12 sub X19 & X19 sub X14) => X12 sub X14) & ( (X12 sub X19 & X19 sub X15) => X12 sub X15) & ( (X12 sub X19 & X19 sub X16) => X12 sub X16) & ( (X12 sub X19 & X19 sub X17) => X12 sub X17) & ( (X12 sub X19 & X19 sub X18) => X12 sub X18) & ( (X12 sub X19 & X19 sub X20) => X12 sub X20) & ( (X12 sub X20 & X20 sub X1) => X12 sub X1) & ( (X12 sub X20 & X20 sub X2) => X12 sub X2) & ( (X12 sub X20 & X20 sub X3) => X12 sub X3) & ( (X12 sub X20 & X20 sub X4) => X12 sub X4) & ( (X12 sub X20 & X20 sub X5) => X12 sub X5) & ( (X12 sub X20 & X20 sub X6) => X12 sub X6) & ( (X12 sub X20 & X20 sub X7) => X12 sub X7) & ( (X12 sub X20 & X20 sub X8) => X12 sub X8) & ( (X12 sub X20 & X20 sub X9) => X12 sub X9) & ( (X12 sub X20 & X20 sub X10) => X12 sub X10) & ( (X12 sub X20 & X20 sub X11) => X12 sub X11) & ( (X12 sub X20 & X20 sub X13) => X12 sub X13) & ( (X12 sub X20 & X20 sub X14) => X12 sub X14) & ( (X12 sub X20 & X20 sub X15) => X12 sub X15) & ( (X12 sub X20 & X20 sub X16) => X12 sub X16) & ( (X12 sub X20 & X20 sub X17) => X12 sub X17) & ( (X12 sub X20 & X20 sub X18) => X12 sub X18) & ( (X12 sub X20 & X20 sub X19) => X12 sub X19) & ( (X13 sub X1 & X1 sub X2) => X13 sub X2) & ( (X13 sub X1 & X1 sub X3) => X13 sub X3) & ( (X13 sub X1 & X1 sub X4) => X13 sub X4) & ( (X13 sub X1 & X1 sub X5) => X13 sub X5) & ( (X13 sub X1 & X1 sub X6) => X13 sub X6) & ( (X13 sub X1 & X1 sub X7) => X13 sub X7) & ( (X13 sub X1 & X1 sub X8) => X13 sub X8) & ( (X13 sub X1 & X1 sub X9) => X13 sub X9) & ( (X13 sub X1 & X1 sub X10) => X13 sub X10) & ( (X13 sub X1 & X1 sub X11) => X13 sub X11) & ( (X13 sub X1 & X1 sub X12) => X13 sub X12) & ( (X13 sub X1 & X1 sub X14) => X13 sub X14) & ( (X13 sub X1 & X1 sub X15) => X13 sub X15) & ( (X13 sub X1 & X1 sub X16) => X13 sub X16) & ( (X13 sub X1 & X1 sub X17) => X13 sub X17) & ( (X13 sub X1 & X1 sub X18) => X13 sub X18) & ( (X13 sub X1 & X1 sub X19) => X13 sub X19) & ( (X13 sub X1 & X1 sub X20) => X13 sub X20) & ( (X13 sub X2 & X2 sub X1) => X13 sub X1) & ( (X13 sub X2 & X2 sub X3) => X13 sub X3) & ( (X13 sub X2 & X2 sub X4) => X13 sub X4) & ( (X13 sub X2 & X2 sub X5) => X13 sub X5) & ( (X13 sub X2 & X2 sub X6) => X13 sub X6) & ( (X13 sub X2 & X2 sub X7) => X13 sub X7) & ( (X13 sub X2 & X2 sub X8) => X13 sub X8) & ( (X13 sub X2 & X2 sub X9) => X13 sub X9) & ( (X13 sub X2 & X2 sub X10) => X13 sub X10) & ( (X13 sub X2 & X2 sub X11) => X13 sub X11) & ( (X13 sub X2 & X2 sub X12) => X13 sub X12) & ( (X13 sub X2 & X2 sub X14) => X13 sub X14) & ( (X13 sub X2 & X2 sub X15) => X13 sub X15) & ( (X13 sub X2 & X2 sub X16) => X13 sub X16) & ( (X13 sub X2 & X2 sub X17) => X13 sub X17) & ( (X13 sub X2 & X2 sub X18) => X13 sub X18) & ( (X13 sub X2 & X2 sub X19) => X13 sub X19) & ( (X13 sub X2 & X2 sub X20) => X13 sub X20) & ( (X13 sub X3 & X3 sub X1) => X13 sub X1) & ( (X13 sub X3 & X3 sub X2) => X13 sub X2) & ( (X13 sub X3 & X3 sub X4) => X13 sub X4) & ( (X13 sub X3 & X3 sub X5) => X13 sub X5) & ( (X13 sub X3 & X3 sub X6) => X13 sub X6) & ( (X13 sub X3 & X3 sub X7) => X13 sub X7) & ( (X13 sub X3 & X3 sub X8) => X13 sub X8) & ( (X13 sub X3 & X3 sub X9) => X13 sub X9) & ( (X13 sub X3 & X3 sub X10) => X13 sub X10) & ( (X13 sub X3 & X3 sub X11) => X13 sub X11) & ( (X13 sub X3 & X3 sub X12) => X13 sub X12) & ( (X13 sub X3 & X3 sub X14) => X13 sub X14) & ( (X13 sub X3 & X3 sub X15) => X13 sub X15) & ( (X13 sub X3 & X3 sub X16) => X13 sub X16) & ( (X13 sub X3 & X3 sub X17) => X13 sub X17) & ( (X13 sub X3 & X3 sub X18) => X13 sub X18) & ( (X13 sub X3 & X3 sub X19) => X13 sub X19) & ( (X13 sub X3 & X3 sub X20) => X13 sub X20) & ( (X13 sub X4 & X4 sub X1) => X13 sub X1) & ( (X13 sub X4 & X4 sub X2) => X13 sub X2) & ( (X13 sub X4 & X4 sub X3) => X13 sub X3) & ( (X13 sub X4 & X4 sub X5) => X13 sub X5) & ( (X13 sub X4 & X4 sub X6) => X13 sub X6) & ( (X13 sub X4 & X4 sub X7) => X13 sub X7) & ( (X13 sub X4 & X4 sub X8) => X13 sub X8) & ( (X13 sub X4 & X4 sub X9) => X13 sub X9) & ( (X13 sub X4 & X4 sub X10) => X13 sub X10) & ( (X13 sub X4 & X4 sub X11) => X13 sub X11) & ( (X13 sub X4 & X4 sub X12) => X13 sub X12) & ( (X13 sub X4 & X4 sub X14) => X13 sub X14) & ( (X13 sub X4 & X4 sub X15) => X13 sub X15) & ( (X13 sub X4 & X4 sub X16) => X13 sub X16) & ( (X13 sub X4 & X4 sub X17) => X13 sub X17) & ( (X13 sub X4 & X4 sub X18) => X13 sub X18) & ( (X13 sub X4 & X4 sub X19) => X13 sub X19) & ( (X13 sub X4 & X4 sub X20) => X13 sub X20) & ( (X13 sub X5 & X5 sub X1) => X13 sub X1) & ( (X13 sub X5 & X5 sub X2) => X13 sub X2) & ( (X13 sub X5 & X5 sub X3) => X13 sub X3) & ( (X13 sub X5 & X5 sub X4) => X13 sub X4) & ( (X13 sub X5 & X5 sub X6) => X13 sub X6) & ( (X13 sub X5 & X5 sub X7) => X13 sub X7) & ( (X13 sub X5 & X5 sub X8) => X13 sub X8) & ( (X13 sub X5 & X5 sub X9) => X13 sub X9) & ( (X13 sub X5 & X5 sub X10) => X13 sub X10) & ( (X13 sub X5 & X5 sub X11) => X13 sub X11) & ( (X13 sub X5 & X5 sub X12) => X13 sub X12) & ( (X13 sub X5 & X5 sub X14) => X13 sub X14) & ( (X13 sub X5 & X5 sub X15) => X13 sub X15) & ( (X13 sub X5 & X5 sub X16) => X13 sub X16) & ( (X13 sub X5 & X5 sub X17) => X13 sub X17) & ( (X13 sub X5 & X5 sub X18) => X13 sub X18) & ( (X13 sub X5 & X5 sub X19) => X13 sub X19) & ( (X13 sub X5 & X5 sub X20) => X13 sub X20) & ( (X13 sub X6 & X6 sub X1) => X13 sub X1) & ( (X13 sub X6 & X6 sub X2) => X13 sub X2) & ( (X13 sub X6 & X6 sub X3) => X13 sub X3) & ( (X13 sub X6 & X6 sub X4) => X13 sub X4) & ( (X13 sub X6 & X6 sub X5) => X13 sub X5) & ( (X13 sub X6 & X6 sub X7) => X13 sub X7) & ( (X13 sub X6 & X6 sub X8) => X13 sub X8) & ( (X13 sub X6 & X6 sub X9) => X13 sub X9) & ( (X13 sub X6 & X6 sub X10) => X13 sub X10) & ( (X13 sub X6 & X6 sub X11) => X13 sub X11) & ( (X13 sub X6 & X6 sub X12) => X13 sub X12) & ( (X13 sub X6 & X6 sub X14) => X13 sub X14) & ( (X13 sub X6 & X6 sub X15) => X13 sub X15) & ( (X13 sub X6 & X6 sub X16) => X13 sub X16) & ( (X13 sub X6 & X6 sub X17) => X13 sub X17) & ( (X13 sub X6 & X6 sub X18) => X13 sub X18) & ( (X13 sub X6 & X6 sub X19) => X13 sub X19) & ( (X13 sub X6 & X6 sub X20) => X13 sub X20) & ( (X13 sub X7 & X7 sub X1) => X13 sub X1) & ( (X13 sub X7 & X7 sub X2) => X13 sub X2) & ( (X13 sub X7 & X7 sub X3) => X13 sub X3) & ( (X13 sub X7 & X7 sub X4) => X13 sub X4) & ( (X13 sub X7 & X7 sub X5) => X13 sub X5) & ( (X13 sub X7 & X7 sub X6) => X13 sub X6) & ( (X13 sub X7 & X7 sub X8) => X13 sub X8) & ( (X13 sub X7 & X7 sub X9) => X13 sub X9) & ( (X13 sub X7 & X7 sub X10) => X13 sub X10) & ( (X13 sub X7 & X7 sub X11) => X13 sub X11) & ( (X13 sub X7 & X7 sub X12) => X13 sub X12) & ( (X13 sub X7 & X7 sub X14) => X13 sub X14) & ( (X13 sub X7 & X7 sub X15) => X13 sub X15) & ( (X13 sub X7 & X7 sub X16) => X13 sub X16) & ( (X13 sub X7 & X7 sub X17) => X13 sub X17) & ( (X13 sub X7 & X7 sub X18) => X13 sub X18) & ( (X13 sub X7 & X7 sub X19) => X13 sub X19) & ( (X13 sub X7 & X7 sub X20) => X13 sub X20) & ( (X13 sub X8 & X8 sub X1) => X13 sub X1) & ( (X13 sub X8 & X8 sub X2) => X13 sub X2) & ( (X13 sub X8 & X8 sub X3) => X13 sub X3) & ( (X13 sub X8 & X8 sub X4) => X13 sub X4) & ( (X13 sub X8 & X8 sub X5) => X13 sub X5) & ( (X13 sub X8 & X8 sub X6) => X13 sub X6) & ( (X13 sub X8 & X8 sub X7) => X13 sub X7) & ( (X13 sub X8 & X8 sub X9) => X13 sub X9) & ( (X13 sub X8 & X8 sub X10) => X13 sub X10) & ( (X13 sub X8 & X8 sub X11) => X13 sub X11) & ( (X13 sub X8 & X8 sub X12) => X13 sub X12) & ( (X13 sub X8 & X8 sub X14) => X13 sub X14) & ( (X13 sub X8 & X8 sub X15) => X13 sub X15) & ( (X13 sub X8 & X8 sub X16) => X13 sub X16) & ( (X13 sub X8 & X8 sub X17) => X13 sub X17) & ( (X13 sub X8 & X8 sub X18) => X13 sub X18) & ( (X13 sub X8 & X8 sub X19) => X13 sub X19) & ( (X13 sub X8 & X8 sub X20) => X13 sub X20) & ( (X13 sub X9 & X9 sub X1) => X13 sub X1) & ( (X13 sub X9 & X9 sub X2) => X13 sub X2) & ( (X13 sub X9 & X9 sub X3) => X13 sub X3) & ( (X13 sub X9 & X9 sub X4) => X13 sub X4) & ( (X13 sub X9 & X9 sub X5) => X13 sub X5) & ( (X13 sub X9 & X9 sub X6) => X13 sub X6) & ( (X13 sub X9 & X9 sub X7) => X13 sub X7) & ( (X13 sub X9 & X9 sub X8) => X13 sub X8) & ( (X13 sub X9 & X9 sub X10) => X13 sub X10) & ( (X13 sub X9 & X9 sub X11) => X13 sub X11) & ( (X13 sub X9 & X9 sub X12) => X13 sub X12) & ( (X13 sub X9 & X9 sub X14) => X13 sub X14) & ( (X13 sub X9 & X9 sub X15) => X13 sub X15) & ( (X13 sub X9 & X9 sub X16) => X13 sub X16) & ( (X13 sub X9 & X9 sub X17) => X13 sub X17) & ( (X13 sub X9 & X9 sub X18) => X13 sub X18) & ( (X13 sub X9 & X9 sub X19) => X13 sub X19) & ( (X13 sub X9 & X9 sub X20) => X13 sub X20) & ( (X13 sub X10 & X10 sub X1) => X13 sub X1) & ( (X13 sub X10 & X10 sub X2) => X13 sub X2) & ( (X13 sub X10 & X10 sub X3) => X13 sub X3) & ( (X13 sub X10 & X10 sub X4) => X13 sub X4) & ( (X13 sub X10 & X10 sub X5) => X13 sub X5) & ( (X13 sub X10 & X10 sub X6) => X13 sub X6) & ( (X13 sub X10 & X10 sub X7) => X13 sub X7) & ( (X13 sub X10 & X10 sub X8) => X13 sub X8) & ( (X13 sub X10 & X10 sub X9) => X13 sub X9) & ( (X13 sub X10 & X10 sub X11) => X13 sub X11) & ( (X13 sub X10 & X10 sub X12) => X13 sub X12) & ( (X13 sub X10 & X10 sub X14) => X13 sub X14) & ( (X13 sub X10 & X10 sub X15) => X13 sub X15) & ( (X13 sub X10 & X10 sub X16) => X13 sub X16) & ( (X13 sub X10 & X10 sub X17) => X13 sub X17) & ( (X13 sub X10 & X10 sub X18) => X13 sub X18) & ( (X13 sub X10 & X10 sub X19) => X13 sub X19) & ( (X13 sub X10 & X10 sub X20) => X13 sub X20) & ( (X13 sub X11 & X11 sub X1) => X13 sub X1) & ( (X13 sub X11 & X11 sub X2) => X13 sub X2) & ( (X13 sub X11 & X11 sub X3) => X13 sub X3) & ( (X13 sub X11 & X11 sub X4) => X13 sub X4) & ( (X13 sub X11 & X11 sub X5) => X13 sub X5) & ( (X13 sub X11 & X11 sub X6) => X13 sub X6) & ( (X13 sub X11 & X11 sub X7) => X13 sub X7) & ( (X13 sub X11 & X11 sub X8) => X13 sub X8) & ( (X13 sub X11 & X11 sub X9) => X13 sub X9) & ( (X13 sub X11 & X11 sub X10) => X13 sub X10) & ( (X13 sub X11 & X11 sub X12) => X13 sub X12) & ( (X13 sub X11 & X11 sub X14) => X13 sub X14) & ( (X13 sub X11 & X11 sub X15) => X13 sub X15) & ( (X13 sub X11 & X11 sub X16) => X13 sub X16) & ( (X13 sub X11 & X11 sub X17) => X13 sub X17) & ( (X13 sub X11 & X11 sub X18) => X13 sub X18) & ( (X13 sub X11 & X11 sub X19) => X13 sub X19) & ( (X13 sub X11 & X11 sub X20) => X13 sub X20) & ( (X13 sub X12 & X12 sub X1) => X13 sub X1) & ( (X13 sub X12 & X12 sub X2) => X13 sub X2) & ( (X13 sub X12 & X12 sub X3) => X13 sub X3) & ( (X13 sub X12 & X12 sub X4) => X13 sub X4) & ( (X13 sub X12 & X12 sub X5) => X13 sub X5) & ( (X13 sub X12 & X12 sub X6) => X13 sub X6) & ( (X13 sub X12 & X12 sub X7) => X13 sub X7) & ( (X13 sub X12 & X12 sub X8) => X13 sub X8) & ( (X13 sub X12 & X12 sub X9) => X13 sub X9) & ( (X13 sub X12 & X12 sub X10) => X13 sub X10) & ( (X13 sub X12 & X12 sub X11) => X13 sub X11) & ( (X13 sub X12 & X12 sub X14) => X13 sub X14) & ( (X13 sub X12 & X12 sub X15) => X13 sub X15) & ( (X13 sub X12 & X12 sub X16) => X13 sub X16) & ( (X13 sub X12 & X12 sub X17) => X13 sub X17) & ( (X13 sub X12 & X12 sub X18) => X13 sub X18) & ( (X13 sub X12 & X12 sub X19) => X13 sub X19) & ( (X13 sub X12 & X12 sub X20) => X13 sub X20) & ( (X13 sub X14 & X14 sub X1) => X13 sub X1) & ( (X13 sub X14 & X14 sub X2) => X13 sub X2) & ( (X13 sub X14 & X14 sub X3) => X13 sub X3) & ( (X13 sub X14 & X14 sub X4) => X13 sub X4) & ( (X13 sub X14 & X14 sub X5) => X13 sub X5) & ( (X13 sub X14 & X14 sub X6) => X13 sub X6) & ( (X13 sub X14 & X14 sub X7) => X13 sub X7) & ( (X13 sub X14 & X14 sub X8) => X13 sub X8) & ( (X13 sub X14 & X14 sub X9) => X13 sub X9) & ( (X13 sub X14 & X14 sub X10) => X13 sub X10) & ( (X13 sub X14 & X14 sub X11) => X13 sub X11) & ( (X13 sub X14 & X14 sub X12) => X13 sub X12) & ( (X13 sub X14 & X14 sub X15) => X13 sub X15) & ( (X13 sub X14 & X14 sub X16) => X13 sub X16) & ( (X13 sub X14 & X14 sub X17) => X13 sub X17) & ( (X13 sub X14 & X14 sub X18) => X13 sub X18) & ( (X13 sub X14 & X14 sub X19) => X13 sub X19) & ( (X13 sub X14 & X14 sub X20) => X13 sub X20) & ( (X13 sub X15 & X15 sub X1) => X13 sub X1) & ( (X13 sub X15 & X15 sub X2) => X13 sub X2) & ( (X13 sub X15 & X15 sub X3) => X13 sub X3) & ( (X13 sub X15 & X15 sub X4) => X13 sub X4) & ( (X13 sub X15 & X15 sub X5) => X13 sub X5) & ( (X13 sub X15 & X15 sub X6) => X13 sub X6) & ( (X13 sub X15 & X15 sub X7) => X13 sub X7) & ( (X13 sub X15 & X15 sub X8) => X13 sub X8) & ( (X13 sub X15 & X15 sub X9) => X13 sub X9) & ( (X13 sub X15 & X15 sub X10) => X13 sub X10) & ( (X13 sub X15 & X15 sub X11) => X13 sub X11) & ( (X13 sub X15 & X15 sub X12) => X13 sub X12) & ( (X13 sub X15 & X15 sub X14) => X13 sub X14) & ( (X13 sub X15 & X15 sub X16) => X13 sub X16) & ( (X13 sub X15 & X15 sub X17) => X13 sub X17) & ( (X13 sub X15 & X15 sub X18) => X13 sub X18) & ( (X13 sub X15 & X15 sub X19) => X13 sub X19) & ( (X13 sub X15 & X15 sub X20) => X13 sub X20) & ( (X13 sub X16 & X16 sub X1) => X13 sub X1) & ( (X13 sub X16 & X16 sub X2) => X13 sub X2) & ( (X13 sub X16 & X16 sub X3) => X13 sub X3) & ( (X13 sub X16 & X16 sub X4) => X13 sub X4) & ( (X13 sub X16 & X16 sub X5) => X13 sub X5) & ( (X13 sub X16 & X16 sub X6) => X13 sub X6) & ( (X13 sub X16 & X16 sub X7) => X13 sub X7) & ( (X13 sub X16 & X16 sub X8) => X13 sub X8) & ( (X13 sub X16 & X16 sub X9) => X13 sub X9) & ( (X13 sub X16 & X16 sub X10) => X13 sub X10) & ( (X13 sub X16 & X16 sub X11) => X13 sub X11) & ( (X13 sub X16 & X16 sub X12) => X13 sub X12) & ( (X13 sub X16 & X16 sub X14) => X13 sub X14) & ( (X13 sub X16 & X16 sub X15) => X13 sub X15) & ( (X13 sub X16 & X16 sub X17) => X13 sub X17) & ( (X13 sub X16 & X16 sub X18) => X13 sub X18) & ( (X13 sub X16 & X16 sub X19) => X13 sub X19) & ( (X13 sub X16 & X16 sub X20) => X13 sub X20) & ( (X13 sub X17 & X17 sub X1) => X13 sub X1) & ( (X13 sub X17 & X17 sub X2) => X13 sub X2) & ( (X13 sub X17 & X17 sub X3) => X13 sub X3) & ( (X13 sub X17 & X17 sub X4) => X13 sub X4) & ( (X13 sub X17 & X17 sub X5) => X13 sub X5) & ( (X13 sub X17 & X17 sub X6) => X13 sub X6) & ( (X13 sub X17 & X17 sub X7) => X13 sub X7) & ( (X13 sub X17 & X17 sub X8) => X13 sub X8) & ( (X13 sub X17 & X17 sub X9) => X13 sub X9) & ( (X13 sub X17 & X17 sub X10) => X13 sub X10) & ( (X13 sub X17 & X17 sub X11) => X13 sub X11) & ( (X13 sub X17 & X17 sub X12) => X13 sub X12) & ( (X13 sub X17 & X17 sub X14) => X13 sub X14) & ( (X13 sub X17 & X17 sub X15) => X13 sub X15) & ( (X13 sub X17 & X17 sub X16) => X13 sub X16) & ( (X13 sub X17 & X17 sub X18) => X13 sub X18) & ( (X13 sub X17 & X17 sub X19) => X13 sub X19) & ( (X13 sub X17 & X17 sub X20) => X13 sub X20) & ( (X13 sub X18 & X18 sub X1) => X13 sub X1) & ( (X13 sub X18 & X18 sub X2) => X13 sub X2) & ( (X13 sub X18 & X18 sub X3) => X13 sub X3) & ( (X13 sub X18 & X18 sub X4) => X13 sub X4) & ( (X13 sub X18 & X18 sub X5) => X13 sub X5) & ( (X13 sub X18 & X18 sub X6) => X13 sub X6) & ( (X13 sub X18 & X18 sub X7) => X13 sub X7) & ( (X13 sub X18 & X18 sub X8) => X13 sub X8) & ( (X13 sub X18 & X18 sub X9) => X13 sub X9) & ( (X13 sub X18 & X18 sub X10) => X13 sub X10) & ( (X13 sub X18 & X18 sub X11) => X13 sub X11) & ( (X13 sub X18 & X18 sub X12) => X13 sub X12) & ( (X13 sub X18 & X18 sub X14) => X13 sub X14) & ( (X13 sub X18 & X18 sub X15) => X13 sub X15) & ( (X13 sub X18 & X18 sub X16) => X13 sub X16) & ( (X13 sub X18 & X18 sub X17) => X13 sub X17) & ( (X13 sub X18 & X18 sub X19) => X13 sub X19) & ( (X13 sub X18 & X18 sub X20) => X13 sub X20) & ( (X13 sub X19 & X19 sub X1) => X13 sub X1) & ( (X13 sub X19 & X19 sub X2) => X13 sub X2) & ( (X13 sub X19 & X19 sub X3) => X13 sub X3) & ( (X13 sub X19 & X19 sub X4) => X13 sub X4) & ( (X13 sub X19 & X19 sub X5) => X13 sub X5) & ( (X13 sub X19 & X19 sub X6) => X13 sub X6) & ( (X13 sub X19 & X19 sub X7) => X13 sub X7) & ( (X13 sub X19 & X19 sub X8) => X13 sub X8) & ( (X13 sub X19 & X19 sub X9) => X13 sub X9) & ( (X13 sub X19 & X19 sub X10) => X13 sub X10) & ( (X13 sub X19 & X19 sub X11) => X13 sub X11) & ( (X13 sub X19 & X19 sub X12) => X13 sub X12) & ( (X13 sub X19 & X19 sub X14) => X13 sub X14) & ( (X13 sub X19 & X19 sub X15) => X13 sub X15) & ( (X13 sub X19 & X19 sub X16) => X13 sub X16) & ( (X13 sub X19 & X19 sub X17) => X13 sub X17) & ( (X13 sub X19 & X19 sub X18) => X13 sub X18) & ( (X13 sub X19 & X19 sub X20) => X13 sub X20) & ( (X13 sub X20 & X20 sub X1) => X13 sub X1) & ( (X13 sub X20 & X20 sub X2) => X13 sub X2) & ( (X13 sub X20 & X20 sub X3) => X13 sub X3) & ( (X13 sub X20 & X20 sub X4) => X13 sub X4) & ( (X13 sub X20 & X20 sub X5) => X13 sub X5) & ( (X13 sub X20 & X20 sub X6) => X13 sub X6) & ( (X13 sub X20 & X20 sub X7) => X13 sub X7) & ( (X13 sub X20 & X20 sub X8) => X13 sub X8) & ( (X13 sub X20 & X20 sub X9) => X13 sub X9) & ( (X13 sub X20 & X20 sub X10) => X13 sub X10) & ( (X13 sub X20 & X20 sub X11) => X13 sub X11) & ( (X13 sub X20 & X20 sub X12) => X13 sub X12) & ( (X13 sub X20 & X20 sub X14) => X13 sub X14) & ( (X13 sub X20 & X20 sub X15) => X13 sub X15) & ( (X13 sub X20 & X20 sub X16) => X13 sub X16) & ( (X13 sub X20 & X20 sub X17) => X13 sub X17) & ( (X13 sub X20 & X20 sub X18) => X13 sub X18) & ( (X13 sub X20 & X20 sub X19) => X13 sub X19) & ( (X14 sub X1 & X1 sub X2) => X14 sub X2) & ( (X14 sub X1 & X1 sub X3) => X14 sub X3) & ( (X14 sub X1 & X1 sub X4) => X14 sub X4) & ( (X14 sub X1 & X1 sub X5) => X14 sub X5) & ( (X14 sub X1 & X1 sub X6) => X14 sub X6) & ( (X14 sub X1 & X1 sub X7) => X14 sub X7) & ( (X14 sub X1 & X1 sub X8) => X14 sub X8) & ( (X14 sub X1 & X1 sub X9) => X14 sub X9) & ( (X14 sub X1 & X1 sub X10) => X14 sub X10) & ( (X14 sub X1 & X1 sub X11) => X14 sub X11) & ( (X14 sub X1 & X1 sub X12) => X14 sub X12) & ( (X14 sub X1 & X1 sub X13) => X14 sub X13) & ( (X14 sub X1 & X1 sub X15) => X14 sub X15) & ( (X14 sub X1 & X1 sub X16) => X14 sub X16) & ( (X14 sub X1 & X1 sub X17) => X14 sub X17) & ( (X14 sub X1 & X1 sub X18) => X14 sub X18) & ( (X14 sub X1 & X1 sub X19) => X14 sub X19) & ( (X14 sub X1 & X1 sub X20) => X14 sub X20) & ( (X14 sub X2 & X2 sub X1) => X14 sub X1) & ( (X14 sub X2 & X2 sub X3) => X14 sub X3) & ( (X14 sub X2 & X2 sub X4) => X14 sub X4) & ( (X14 sub X2 & X2 sub X5) => X14 sub X5) & ( (X14 sub X2 & X2 sub X6) => X14 sub X6) & ( (X14 sub X2 & X2 sub X7) => X14 sub X7) & ( (X14 sub X2 & X2 sub X8) => X14 sub X8) & ( (X14 sub X2 & X2 sub X9) => X14 sub X9) & ( (X14 sub X2 & X2 sub X10) => X14 sub X10) & ( (X14 sub X2 & X2 sub X11) => X14 sub X11) & ( (X14 sub X2 & X2 sub X12) => X14 sub X12) & ( (X14 sub X2 & X2 sub X13) => X14 sub X13) & ( (X14 sub X2 & X2 sub X15) => X14 sub X15) & ( (X14 sub X2 & X2 sub X16) => X14 sub X16) & ( (X14 sub X2 & X2 sub X17) => X14 sub X17) & ( (X14 sub X2 & X2 sub X18) => X14 sub X18) & ( (X14 sub X2 & X2 sub X19) => X14 sub X19) & ( (X14 sub X2 & X2 sub X20) => X14 sub X20) & ( (X14 sub X3 & X3 sub X1) => X14 sub X1) & ( (X14 sub X3 & X3 sub X2) => X14 sub X2) & ( (X14 sub X3 & X3 sub X4) => X14 sub X4) & ( (X14 sub X3 & X3 sub X5) => X14 sub X5) & ( (X14 sub X3 & X3 sub X6) => X14 sub X6) & ( (X14 sub X3 & X3 sub X7) => X14 sub X7) & ( (X14 sub X3 & X3 sub X8) => X14 sub X8) & ( (X14 sub X3 & X3 sub X9) => X14 sub X9) & ( (X14 sub X3 & X3 sub X10) => X14 sub X10) & ( (X14 sub X3 & X3 sub X11) => X14 sub X11) & ( (X14 sub X3 & X3 sub X12) => X14 sub X12) & ( (X14 sub X3 & X3 sub X13) => X14 sub X13) & ( (X14 sub X3 & X3 sub X15) => X14 sub X15) & ( (X14 sub X3 & X3 sub X16) => X14 sub X16) & ( (X14 sub X3 & X3 sub X17) => X14 sub X17) & ( (X14 sub X3 & X3 sub X18) => X14 sub X18) & ( (X14 sub X3 & X3 sub X19) => X14 sub X19) & ( (X14 sub X3 & X3 sub X20) => X14 sub X20) & ( (X14 sub X4 & X4 sub X1) => X14 sub X1) & ( (X14 sub X4 & X4 sub X2) => X14 sub X2) & ( (X14 sub X4 & X4 sub X3) => X14 sub X3) & ( (X14 sub X4 & X4 sub X5) => X14 sub X5) & ( (X14 sub X4 & X4 sub X6) => X14 sub X6) & ( (X14 sub X4 & X4 sub X7) => X14 sub X7) & ( (X14 sub X4 & X4 sub X8) => X14 sub X8) & ( (X14 sub X4 & X4 sub X9) => X14 sub X9) & ( (X14 sub X4 & X4 sub X10) => X14 sub X10) & ( (X14 sub X4 & X4 sub X11) => X14 sub X11) & ( (X14 sub X4 & X4 sub X12) => X14 sub X12) & ( (X14 sub X4 & X4 sub X13) => X14 sub X13) & ( (X14 sub X4 & X4 sub X15) => X14 sub X15) & ( (X14 sub X4 & X4 sub X16) => X14 sub X16) & ( (X14 sub X4 & X4 sub X17) => X14 sub X17) & ( (X14 sub X4 & X4 sub X18) => X14 sub X18) & ( (X14 sub X4 & X4 sub X19) => X14 sub X19) & ( (X14 sub X4 & X4 sub X20) => X14 sub X20) & ( (X14 sub X5 & X5 sub X1) => X14 sub X1) & ( (X14 sub X5 & X5 sub X2) => X14 sub X2) & ( (X14 sub X5 & X5 sub X3) => X14 sub X3) & ( (X14 sub X5 & X5 sub X4) => X14 sub X4) & ( (X14 sub X5 & X5 sub X6) => X14 sub X6) & ( (X14 sub X5 & X5 sub X7) => X14 sub X7) & ( (X14 sub X5 & X5 sub X8) => X14 sub X8) & ( (X14 sub X5 & X5 sub X9) => X14 sub X9) & ( (X14 sub X5 & X5 sub X10) => X14 sub X10) & ( (X14 sub X5 & X5 sub X11) => X14 sub X11) & ( (X14 sub X5 & X5 sub X12) => X14 sub X12) & ( (X14 sub X5 & X5 sub X13) => X14 sub X13) & ( (X14 sub X5 & X5 sub X15) => X14 sub X15) & ( (X14 sub X5 & X5 sub X16) => X14 sub X16) & ( (X14 sub X5 & X5 sub X17) => X14 sub X17) & ( (X14 sub X5 & X5 sub X18) => X14 sub X18) & ( (X14 sub X5 & X5 sub X19) => X14 sub X19) & ( (X14 sub X5 & X5 sub X20) => X14 sub X20) & ( (X14 sub X6 & X6 sub X1) => X14 sub X1) & ( (X14 sub X6 & X6 sub X2) => X14 sub X2) & ( (X14 sub X6 & X6 sub X3) => X14 sub X3) & ( (X14 sub X6 & X6 sub X4) => X14 sub X4) & ( (X14 sub X6 & X6 sub X5) => X14 sub X5) & ( (X14 sub X6 & X6 sub X7) => X14 sub X7) & ( (X14 sub X6 & X6 sub X8) => X14 sub X8) & ( (X14 sub X6 & X6 sub X9) => X14 sub X9) & ( (X14 sub X6 & X6 sub X10) => X14 sub X10) & ( (X14 sub X6 & X6 sub X11) => X14 sub X11) & ( (X14 sub X6 & X6 sub X12) => X14 sub X12) & ( (X14 sub X6 & X6 sub X13) => X14 sub X13) & ( (X14 sub X6 & X6 sub X15) => X14 sub X15) & ( (X14 sub X6 & X6 sub X16) => X14 sub X16) & ( (X14 sub X6 & X6 sub X17) => X14 sub X17) & ( (X14 sub X6 & X6 sub X18) => X14 sub X18) & ( (X14 sub X6 & X6 sub X19) => X14 sub X19) & ( (X14 sub X6 & X6 sub X20) => X14 sub X20) & ( (X14 sub X7 & X7 sub X1) => X14 sub X1) & ( (X14 sub X7 & X7 sub X2) => X14 sub X2) & ( (X14 sub X7 & X7 sub X3) => X14 sub X3) & ( (X14 sub X7 & X7 sub X4) => X14 sub X4) & ( (X14 sub X7 & X7 sub X5) => X14 sub X5) & ( (X14 sub X7 & X7 sub X6) => X14 sub X6) & ( (X14 sub X7 & X7 sub X8) => X14 sub X8) & ( (X14 sub X7 & X7 sub X9) => X14 sub X9) & ( (X14 sub X7 & X7 sub X10) => X14 sub X10) & ( (X14 sub X7 & X7 sub X11) => X14 sub X11) & ( (X14 sub X7 & X7 sub X12) => X14 sub X12) & ( (X14 sub X7 & X7 sub X13) => X14 sub X13) & ( (X14 sub X7 & X7 sub X15) => X14 sub X15) & ( (X14 sub X7 & X7 sub X16) => X14 sub X16) & ( (X14 sub X7 & X7 sub X17) => X14 sub X17) & ( (X14 sub X7 & X7 sub X18) => X14 sub X18) & ( (X14 sub X7 & X7 sub X19) => X14 sub X19) & ( (X14 sub X7 & X7 sub X20) => X14 sub X20) & ( (X14 sub X8 & X8 sub X1) => X14 sub X1) & ( (X14 sub X8 & X8 sub X2) => X14 sub X2) & ( (X14 sub X8 & X8 sub X3) => X14 sub X3) & ( (X14 sub X8 & X8 sub X4) => X14 sub X4) & ( (X14 sub X8 & X8 sub X5) => X14 sub X5) & ( (X14 sub X8 & X8 sub X6) => X14 sub X6) & ( (X14 sub X8 & X8 sub X7) => X14 sub X7) & ( (X14 sub X8 & X8 sub X9) => X14 sub X9) & ( (X14 sub X8 & X8 sub X10) => X14 sub X10) & ( (X14 sub X8 & X8 sub X11) => X14 sub X11) & ( (X14 sub X8 & X8 sub X12) => X14 sub X12) & ( (X14 sub X8 & X8 sub X13) => X14 sub X13) & ( (X14 sub X8 & X8 sub X15) => X14 sub X15) & ( (X14 sub X8 & X8 sub X16) => X14 sub X16) & ( (X14 sub X8 & X8 sub X17) => X14 sub X17) & ( (X14 sub X8 & X8 sub X18) => X14 sub X18) & ( (X14 sub X8 & X8 sub X19) => X14 sub X19) & ( (X14 sub X8 & X8 sub X20) => X14 sub X20) & ( (X14 sub X9 & X9 sub X1) => X14 sub X1) & ( (X14 sub X9 & X9 sub X2) => X14 sub X2) & ( (X14 sub X9 & X9 sub X3) => X14 sub X3) & ( (X14 sub X9 & X9 sub X4) => X14 sub X4) & ( (X14 sub X9 & X9 sub X5) => X14 sub X5) & ( (X14 sub X9 & X9 sub X6) => X14 sub X6) & ( (X14 sub X9 & X9 sub X7) => X14 sub X7) & ( (X14 sub X9 & X9 sub X8) => X14 sub X8) & ( (X14 sub X9 & X9 sub X10) => X14 sub X10) & ( (X14 sub X9 & X9 sub X11) => X14 sub X11) & ( (X14 sub X9 & X9 sub X12) => X14 sub X12) & ( (X14 sub X9 & X9 sub X13) => X14 sub X13) & ( (X14 sub X9 & X9 sub X15) => X14 sub X15) & ( (X14 sub X9 & X9 sub X16) => X14 sub X16) & ( (X14 sub X9 & X9 sub X17) => X14 sub X17) & ( (X14 sub X9 & X9 sub X18) => X14 sub X18) & ( (X14 sub X9 & X9 sub X19) => X14 sub X19) & ( (X14 sub X9 & X9 sub X20) => X14 sub X20) & ( (X14 sub X10 & X10 sub X1) => X14 sub X1) & ( (X14 sub X10 & X10 sub X2) => X14 sub X2) & ( (X14 sub X10 & X10 sub X3) => X14 sub X3) & ( (X14 sub X10 & X10 sub X4) => X14 sub X4) & ( (X14 sub X10 & X10 sub X5) => X14 sub X5) & ( (X14 sub X10 & X10 sub X6) => X14 sub X6) & ( (X14 sub X10 & X10 sub X7) => X14 sub X7) & ( (X14 sub X10 & X10 sub X8) => X14 sub X8) & ( (X14 sub X10 & X10 sub X9) => X14 sub X9) & ( (X14 sub X10 & X10 sub X11) => X14 sub X11) & ( (X14 sub X10 & X10 sub X12) => X14 sub X12) & ( (X14 sub X10 & X10 sub X13) => X14 sub X13) & ( (X14 sub X10 & X10 sub X15) => X14 sub X15) & ( (X14 sub X10 & X10 sub X16) => X14 sub X16) & ( (X14 sub X10 & X10 sub X17) => X14 sub X17) & ( (X14 sub X10 & X10 sub X18) => X14 sub X18) & ( (X14 sub X10 & X10 sub X19) => X14 sub X19) & ( (X14 sub X10 & X10 sub X20) => X14 sub X20) & ( (X14 sub X11 & X11 sub X1) => X14 sub X1) & ( (X14 sub X11 & X11 sub X2) => X14 sub X2) & ( (X14 sub X11 & X11 sub X3) => X14 sub X3) & ( (X14 sub X11 & X11 sub X4) => X14 sub X4) & ( (X14 sub X11 & X11 sub X5) => X14 sub X5) & ( (X14 sub X11 & X11 sub X6) => X14 sub X6) & ( (X14 sub X11 & X11 sub X7) => X14 sub X7) & ( (X14 sub X11 & X11 sub X8) => X14 sub X8) & ( (X14 sub X11 & X11 sub X9) => X14 sub X9) & ( (X14 sub X11 & X11 sub X10) => X14 sub X10) & ( (X14 sub X11 & X11 sub X12) => X14 sub X12) & ( (X14 sub X11 & X11 sub X13) => X14 sub X13) & ( (X14 sub X11 & X11 sub X15) => X14 sub X15) & ( (X14 sub X11 & X11 sub X16) => X14 sub X16) & ( (X14 sub X11 & X11 sub X17) => X14 sub X17) & ( (X14 sub X11 & X11 sub X18) => X14 sub X18) & ( (X14 sub X11 & X11 sub X19) => X14 sub X19) & ( (X14 sub X11 & X11 sub X20) => X14 sub X20) & ( (X14 sub X12 & X12 sub X1) => X14 sub X1) & ( (X14 sub X12 & X12 sub X2) => X14 sub X2) & ( (X14 sub X12 & X12 sub X3) => X14 sub X3) & ( (X14 sub X12 & X12 sub X4) => X14 sub X4) & ( (X14 sub X12 & X12 sub X5) => X14 sub X5) & ( (X14 sub X12 & X12 sub X6) => X14 sub X6) & ( (X14 sub X12 & X12 sub X7) => X14 sub X7) & ( (X14 sub X12 & X12 sub X8) => X14 sub X8) & ( (X14 sub X12 & X12 sub X9) => X14 sub X9) & ( (X14 sub X12 & X12 sub X10) => X14 sub X10) & ( (X14 sub X12 & X12 sub X11) => X14 sub X11) & ( (X14 sub X12 & X12 sub X13) => X14 sub X13) & ( (X14 sub X12 & X12 sub X15) => X14 sub X15) & ( (X14 sub X12 & X12 sub X16) => X14 sub X16) & ( (X14 sub X12 & X12 sub X17) => X14 sub X17) & ( (X14 sub X12 & X12 sub X18) => X14 sub X18) & ( (X14 sub X12 & X12 sub X19) => X14 sub X19) & ( (X14 sub X12 & X12 sub X20) => X14 sub X20) & ( (X14 sub X13 & X13 sub X1) => X14 sub X1) & ( (X14 sub X13 & X13 sub X2) => X14 sub X2) & ( (X14 sub X13 & X13 sub X3) => X14 sub X3) & ( (X14 sub X13 & X13 sub X4) => X14 sub X4) & ( (X14 sub X13 & X13 sub X5) => X14 sub X5) & ( (X14 sub X13 & X13 sub X6) => X14 sub X6) & ( (X14 sub X13 & X13 sub X7) => X14 sub X7) & ( (X14 sub X13 & X13 sub X8) => X14 sub X8) & ( (X14 sub X13 & X13 sub X9) => X14 sub X9) & ( (X14 sub X13 & X13 sub X10) => X14 sub X10) & ( (X14 sub X13 & X13 sub X11) => X14 sub X11) & ( (X14 sub X13 & X13 sub X12) => X14 sub X12) & ( (X14 sub X13 & X13 sub X15) => X14 sub X15) & ( (X14 sub X13 & X13 sub X16) => X14 sub X16) & ( (X14 sub X13 & X13 sub X17) => X14 sub X17) & ( (X14 sub X13 & X13 sub X18) => X14 sub X18) & ( (X14 sub X13 & X13 sub X19) => X14 sub X19) & ( (X14 sub X13 & X13 sub X20) => X14 sub X20) & ( (X14 sub X15 & X15 sub X1) => X14 sub X1) & ( (X14 sub X15 & X15 sub X2) => X14 sub X2) & ( (X14 sub X15 & X15 sub X3) => X14 sub X3) & ( (X14 sub X15 & X15 sub X4) => X14 sub X4) & ( (X14 sub X15 & X15 sub X5) => X14 sub X5) & ( (X14 sub X15 & X15 sub X6) => X14 sub X6) & ( (X14 sub X15 & X15 sub X7) => X14 sub X7) & ( (X14 sub X15 & X15 sub X8) => X14 sub X8) & ( (X14 sub X15 & X15 sub X9) => X14 sub X9) & ( (X14 sub X15 & X15 sub X10) => X14 sub X10) & ( (X14 sub X15 & X15 sub X11) => X14 sub X11) & ( (X14 sub X15 & X15 sub X12) => X14 sub X12) & ( (X14 sub X15 & X15 sub X13) => X14 sub X13) & ( (X14 sub X15 & X15 sub X16) => X14 sub X16) & ( (X14 sub X15 & X15 sub X17) => X14 sub X17) & ( (X14 sub X15 & X15 sub X18) => X14 sub X18) & ( (X14 sub X15 & X15 sub X19) => X14 sub X19) & ( (X14 sub X15 & X15 sub X20) => X14 sub X20) & ( (X14 sub X16 & X16 sub X1) => X14 sub X1) & ( (X14 sub X16 & X16 sub X2) => X14 sub X2) & ( (X14 sub X16 & X16 sub X3) => X14 sub X3) & ( (X14 sub X16 & X16 sub X4) => X14 sub X4) & ( (X14 sub X16 & X16 sub X5) => X14 sub X5) & ( (X14 sub X16 & X16 sub X6) => X14 sub X6) & ( (X14 sub X16 & X16 sub X7) => X14 sub X7) & ( (X14 sub X16 & X16 sub X8) => X14 sub X8) & ( (X14 sub X16 & X16 sub X9) => X14 sub X9) & ( (X14 sub X16 & X16 sub X10) => X14 sub X10) & ( (X14 sub X16 & X16 sub X11) => X14 sub X11) & ( (X14 sub X16 & X16 sub X12) => X14 sub X12) & ( (X14 sub X16 & X16 sub X13) => X14 sub X13) & ( (X14 sub X16 & X16 sub X15) => X14 sub X15) & ( (X14 sub X16 & X16 sub X17) => X14 sub X17) & ( (X14 sub X16 & X16 sub X18) => X14 sub X18) & ( (X14 sub X16 & X16 sub X19) => X14 sub X19) & ( (X14 sub X16 & X16 sub X20) => X14 sub X20) & ( (X14 sub X17 & X17 sub X1) => X14 sub X1) & ( (X14 sub X17 & X17 sub X2) => X14 sub X2) & ( (X14 sub X17 & X17 sub X3) => X14 sub X3) & ( (X14 sub X17 & X17 sub X4) => X14 sub X4) & ( (X14 sub X17 & X17 sub X5) => X14 sub X5) & ( (X14 sub X17 & X17 sub X6) => X14 sub X6) & ( (X14 sub X17 & X17 sub X7) => X14 sub X7) & ( (X14 sub X17 & X17 sub X8) => X14 sub X8) & ( (X14 sub X17 & X17 sub X9) => X14 sub X9) & ( (X14 sub X17 & X17 sub X10) => X14 sub X10) & ( (X14 sub X17 & X17 sub X11) => X14 sub X11) & ( (X14 sub X17 & X17 sub X12) => X14 sub X12) & ( (X14 sub X17 & X17 sub X13) => X14 sub X13) & ( (X14 sub X17 & X17 sub X15) => X14 sub X15) & ( (X14 sub X17 & X17 sub X16) => X14 sub X16) & ( (X14 sub X17 & X17 sub X18) => X14 sub X18) & ( (X14 sub X17 & X17 sub X19) => X14 sub X19) & ( (X14 sub X17 & X17 sub X20) => X14 sub X20) & ( (X14 sub X18 & X18 sub X1) => X14 sub X1) & ( (X14 sub X18 & X18 sub X2) => X14 sub X2) & ( (X14 sub X18 & X18 sub X3) => X14 sub X3) & ( (X14 sub X18 & X18 sub X4) => X14 sub X4) & ( (X14 sub X18 & X18 sub X5) => X14 sub X5) & ( (X14 sub X18 & X18 sub X6) => X14 sub X6) & ( (X14 sub X18 & X18 sub X7) => X14 sub X7) & ( (X14 sub X18 & X18 sub X8) => X14 sub X8) & ( (X14 sub X18 & X18 sub X9) => X14 sub X9) & ( (X14 sub X18 & X18 sub X10) => X14 sub X10) & ( (X14 sub X18 & X18 sub X11) => X14 sub X11) & ( (X14 sub X18 & X18 sub X12) => X14 sub X12) & ( (X14 sub X18 & X18 sub X13) => X14 sub X13) & ( (X14 sub X18 & X18 sub X15) => X14 sub X15) & ( (X14 sub X18 & X18 sub X16) => X14 sub X16) & ( (X14 sub X18 & X18 sub X17) => X14 sub X17) & ( (X14 sub X18 & X18 sub X19) => X14 sub X19) & ( (X14 sub X18 & X18 sub X20) => X14 sub X20) & ( (X14 sub X19 & X19 sub X1) => X14 sub X1) & ( (X14 sub X19 & X19 sub X2) => X14 sub X2) & ( (X14 sub X19 & X19 sub X3) => X14 sub X3) & ( (X14 sub X19 & X19 sub X4) => X14 sub X4) & ( (X14 sub X19 & X19 sub X5) => X14 sub X5) & ( (X14 sub X19 & X19 sub X6) => X14 sub X6) & ( (X14 sub X19 & X19 sub X7) => X14 sub X7) & ( (X14 sub X19 & X19 sub X8) => X14 sub X8) & ( (X14 sub X19 & X19 sub X9) => X14 sub X9) & ( (X14 sub X19 & X19 sub X10) => X14 sub X10) & ( (X14 sub X19 & X19 sub X11) => X14 sub X11) & ( (X14 sub X19 & X19 sub X12) => X14 sub X12) & ( (X14 sub X19 & X19 sub X13) => X14 sub X13) & ( (X14 sub X19 & X19 sub X15) => X14 sub X15) & ( (X14 sub X19 & X19 sub X16) => X14 sub X16) & ( (X14 sub X19 & X19 sub X17) => X14 sub X17) & ( (X14 sub X19 & X19 sub X18) => X14 sub X18) & ( (X14 sub X19 & X19 sub X20) => X14 sub X20) & ( (X14 sub X20 & X20 sub X1) => X14 sub X1) & ( (X14 sub X20 & X20 sub X2) => X14 sub X2) & ( (X14 sub X20 & X20 sub X3) => X14 sub X3) & ( (X14 sub X20 & X20 sub X4) => X14 sub X4) & ( (X14 sub X20 & X20 sub X5) => X14 sub X5) & ( (X14 sub X20 & X20 sub X6) => X14 sub X6) & ( (X14 sub X20 & X20 sub X7) => X14 sub X7) & ( (X14 sub X20 & X20 sub X8) => X14 sub X8) & ( (X14 sub X20 & X20 sub X9) => X14 sub X9) & ( (X14 sub X20 & X20 sub X10) => X14 sub X10) & ( (X14 sub X20 & X20 sub X11) => X14 sub X11) & ( (X14 sub X20 & X20 sub X12) => X14 sub X12) & ( (X14 sub X20 & X20 sub X13) => X14 sub X13) & ( (X14 sub X20 & X20 sub X15) => X14 sub X15) & ( (X14 sub X20 & X20 sub X16) => X14 sub X16) & ( (X14 sub X20 & X20 sub X17) => X14 sub X17) & ( (X14 sub X20 & X20 sub X18) => X14 sub X18) & ( (X14 sub X20 & X20 sub X19) => X14 sub X19) & ( (X15 sub X1 & X1 sub X2) => X15 sub X2) & ( (X15 sub X1 & X1 sub X3) => X15 sub X3) & ( (X15 sub X1 & X1 sub X4) => X15 sub X4) & ( (X15 sub X1 & X1 sub X5) => X15 sub X5) & ( (X15 sub X1 & X1 sub X6) => X15 sub X6) & ( (X15 sub X1 & X1 sub X7) => X15 sub X7) & ( (X15 sub X1 & X1 sub X8) => X15 sub X8) & ( (X15 sub X1 & X1 sub X9) => X15 sub X9) & ( (X15 sub X1 & X1 sub X10) => X15 sub X10) & ( (X15 sub X1 & X1 sub X11) => X15 sub X11) & ( (X15 sub X1 & X1 sub X12) => X15 sub X12) & ( (X15 sub X1 & X1 sub X13) => X15 sub X13) & ( (X15 sub X1 & X1 sub X14) => X15 sub X14) & ( (X15 sub X1 & X1 sub X16) => X15 sub X16) & ( (X15 sub X1 & X1 sub X17) => X15 sub X17) & ( (X15 sub X1 & X1 sub X18) => X15 sub X18) & ( (X15 sub X1 & X1 sub X19) => X15 sub X19) & ( (X15 sub X1 & X1 sub X20) => X15 sub X20) & ( (X15 sub X2 & X2 sub X1) => X15 sub X1) & ( (X15 sub X2 & X2 sub X3) => X15 sub X3) & ( (X15 sub X2 & X2 sub X4) => X15 sub X4) & ( (X15 sub X2 & X2 sub X5) => X15 sub X5) & ( (X15 sub X2 & X2 sub X6) => X15 sub X6) & ( (X15 sub X2 & X2 sub X7) => X15 sub X7) & ( (X15 sub X2 & X2 sub X8) => X15 sub X8) & ( (X15 sub X2 & X2 sub X9) => X15 sub X9) & ( (X15 sub X2 & X2 sub X10) => X15 sub X10) & ( (X15 sub X2 & X2 sub X11) => X15 sub X11) & ( (X15 sub X2 & X2 sub X12) => X15 sub X12) & ( (X15 sub X2 & X2 sub X13) => X15 sub X13) & ( (X15 sub X2 & X2 sub X14) => X15 sub X14) & ( (X15 sub X2 & X2 sub X16) => X15 sub X16) & ( (X15 sub X2 & X2 sub X17) => X15 sub X17) & ( (X15 sub X2 & X2 sub X18) => X15 sub X18) & ( (X15 sub X2 & X2 sub X19) => X15 sub X19) & ( (X15 sub X2 & X2 sub X20) => X15 sub X20) & ( (X15 sub X3 & X3 sub X1) => X15 sub X1) & ( (X15 sub X3 & X3 sub X2) => X15 sub X2) & ( (X15 sub X3 & X3 sub X4) => X15 sub X4) & ( (X15 sub X3 & X3 sub X5) => X15 sub X5) & ( (X15 sub X3 & X3 sub X6) => X15 sub X6) & ( (X15 sub X3 & X3 sub X7) => X15 sub X7) & ( (X15 sub X3 & X3 sub X8) => X15 sub X8) & ( (X15 sub X3 & X3 sub X9) => X15 sub X9) & ( (X15 sub X3 & X3 sub X10) => X15 sub X10) & ( (X15 sub X3 & X3 sub X11) => X15 sub X11) & ( (X15 sub X3 & X3 sub X12) => X15 sub X12) & ( (X15 sub X3 & X3 sub X13) => X15 sub X13) & ( (X15 sub X3 & X3 sub X14) => X15 sub X14) & ( (X15 sub X3 & X3 sub X16) => X15 sub X16) & ( (X15 sub X3 & X3 sub X17) => X15 sub X17) & ( (X15 sub X3 & X3 sub X18) => X15 sub X18) & ( (X15 sub X3 & X3 sub X19) => X15 sub X19) & ( (X15 sub X3 & X3 sub X20) => X15 sub X20) & ( (X15 sub X4 & X4 sub X1) => X15 sub X1) & ( (X15 sub X4 & X4 sub X2) => X15 sub X2) & ( (X15 sub X4 & X4 sub X3) => X15 sub X3) & ( (X15 sub X4 & X4 sub X5) => X15 sub X5) & ( (X15 sub X4 & X4 sub X6) => X15 sub X6) & ( (X15 sub X4 & X4 sub X7) => X15 sub X7) & ( (X15 sub X4 & X4 sub X8) => X15 sub X8) & ( (X15 sub X4 & X4 sub X9) => X15 sub X9) & ( (X15 sub X4 & X4 sub X10) => X15 sub X10) & ( (X15 sub X4 & X4 sub X11) => X15 sub X11) & ( (X15 sub X4 & X4 sub X12) => X15 sub X12) & ( (X15 sub X4 & X4 sub X13) => X15 sub X13) & ( (X15 sub X4 & X4 sub X14) => X15 sub X14) & ( (X15 sub X4 & X4 sub X16) => X15 sub X16) & ( (X15 sub X4 & X4 sub X17) => X15 sub X17) & ( (X15 sub X4 & X4 sub X18) => X15 sub X18) & ( (X15 sub X4 & X4 sub X19) => X15 sub X19) & ( (X15 sub X4 & X4 sub X20) => X15 sub X20) & ( (X15 sub X5 & X5 sub X1) => X15 sub X1) & ( (X15 sub X5 & X5 sub X2) => X15 sub X2) & ( (X15 sub X5 & X5 sub X3) => X15 sub X3) & ( (X15 sub X5 & X5 sub X4) => X15 sub X4) & ( (X15 sub X5 & X5 sub X6) => X15 sub X6) & ( (X15 sub X5 & X5 sub X7) => X15 sub X7) & ( (X15 sub X5 & X5 sub X8) => X15 sub X8) & ( (X15 sub X5 & X5 sub X9) => X15 sub X9) & ( (X15 sub X5 & X5 sub X10) => X15 sub X10) & ( (X15 sub X5 & X5 sub X11) => X15 sub X11) & ( (X15 sub X5 & X5 sub X12) => X15 sub X12) & ( (X15 sub X5 & X5 sub X13) => X15 sub X13) & ( (X15 sub X5 & X5 sub X14) => X15 sub X14) & ( (X15 sub X5 & X5 sub X16) => X15 sub X16) & ( (X15 sub X5 & X5 sub X17) => X15 sub X17) & ( (X15 sub X5 & X5 sub X18) => X15 sub X18) & ( (X15 sub X5 & X5 sub X19) => X15 sub X19) & ( (X15 sub X5 & X5 sub X20) => X15 sub X20) & ( (X15 sub X6 & X6 sub X1) => X15 sub X1) & ( (X15 sub X6 & X6 sub X2) => X15 sub X2) & ( (X15 sub X6 & X6 sub X3) => X15 sub X3) & ( (X15 sub X6 & X6 sub X4) => X15 sub X4) & ( (X15 sub X6 & X6 sub X5) => X15 sub X5) & ( (X15 sub X6 & X6 sub X7) => X15 sub X7) & ( (X15 sub X6 & X6 sub X8) => X15 sub X8) & ( (X15 sub X6 & X6 sub X9) => X15 sub X9) & ( (X15 sub X6 & X6 sub X10) => X15 sub X10) & ( (X15 sub X6 & X6 sub X11) => X15 sub X11) & ( (X15 sub X6 & X6 sub X12) => X15 sub X12) & ( (X15 sub X6 & X6 sub X13) => X15 sub X13) & ( (X15 sub X6 & X6 sub X14) => X15 sub X14) & ( (X15 sub X6 & X6 sub X16) => X15 sub X16) & ( (X15 sub X6 & X6 sub X17) => X15 sub X17) & ( (X15 sub X6 & X6 sub X18) => X15 sub X18) & ( (X15 sub X6 & X6 sub X19) => X15 sub X19) & ( (X15 sub X6 & X6 sub X20) => X15 sub X20) & ( (X15 sub X7 & X7 sub X1) => X15 sub X1) & ( (X15 sub X7 & X7 sub X2) => X15 sub X2) & ( (X15 sub X7 & X7 sub X3) => X15 sub X3) & ( (X15 sub X7 & X7 sub X4) => X15 sub X4) & ( (X15 sub X7 & X7 sub X5) => X15 sub X5) & ( (X15 sub X7 & X7 sub X6) => X15 sub X6) & ( (X15 sub X7 & X7 sub X8) => X15 sub X8) & ( (X15 sub X7 & X7 sub X9) => X15 sub X9) & ( (X15 sub X7 & X7 sub X10) => X15 sub X10) & ( (X15 sub X7 & X7 sub X11) => X15 sub X11) & ( (X15 sub X7 & X7 sub X12) => X15 sub X12) & ( (X15 sub X7 & X7 sub X13) => X15 sub X13) & ( (X15 sub X7 & X7 sub X14) => X15 sub X14) & ( (X15 sub X7 & X7 sub X16) => X15 sub X16) & ( (X15 sub X7 & X7 sub X17) => X15 sub X17) & ( (X15 sub X7 & X7 sub X18) => X15 sub X18) & ( (X15 sub X7 & X7 sub X19) => X15 sub X19) & ( (X15 sub X7 & X7 sub X20) => X15 sub X20) & ( (X15 sub X8 & X8 sub X1) => X15 sub X1) & ( (X15 sub X8 & X8 sub X2) => X15 sub X2) & ( (X15 sub X8 & X8 sub X3) => X15 sub X3) & ( (X15 sub X8 & X8 sub X4) => X15 sub X4) & ( (X15 sub X8 & X8 sub X5) => X15 sub X5) & ( (X15 sub X8 & X8 sub X6) => X15 sub X6) & ( (X15 sub X8 & X8 sub X7) => X15 sub X7) & ( (X15 sub X8 & X8 sub X9) => X15 sub X9) & ( (X15 sub X8 & X8 sub X10) => X15 sub X10) & ( (X15 sub X8 & X8 sub X11) => X15 sub X11) & ( (X15 sub X8 & X8 sub X12) => X15 sub X12) & ( (X15 sub X8 & X8 sub X13) => X15 sub X13) & ( (X15 sub X8 & X8 sub X14) => X15 sub X14) & ( (X15 sub X8 & X8 sub X16) => X15 sub X16) & ( (X15 sub X8 & X8 sub X17) => X15 sub X17) & ( (X15 sub X8 & X8 sub X18) => X15 sub X18) & ( (X15 sub X8 & X8 sub X19) => X15 sub X19) & ( (X15 sub X8 & X8 sub X20) => X15 sub X20) & ( (X15 sub X9 & X9 sub X1) => X15 sub X1) & ( (X15 sub X9 & X9 sub X2) => X15 sub X2) & ( (X15 sub X9 & X9 sub X3) => X15 sub X3) & ( (X15 sub X9 & X9 sub X4) => X15 sub X4) & ( (X15 sub X9 & X9 sub X5) => X15 sub X5) & ( (X15 sub X9 & X9 sub X6) => X15 sub X6) & ( (X15 sub X9 & X9 sub X7) => X15 sub X7) & ( (X15 sub X9 & X9 sub X8) => X15 sub X8) & ( (X15 sub X9 & X9 sub X10) => X15 sub X10) & ( (X15 sub X9 & X9 sub X11) => X15 sub X11) & ( (X15 sub X9 & X9 sub X12) => X15 sub X12) & ( (X15 sub X9 & X9 sub X13) => X15 sub X13) & ( (X15 sub X9 & X9 sub X14) => X15 sub X14) & ( (X15 sub X9 & X9 sub X16) => X15 sub X16) & ( (X15 sub X9 & X9 sub X17) => X15 sub X17) & ( (X15 sub X9 & X9 sub X18) => X15 sub X18) & ( (X15 sub X9 & X9 sub X19) => X15 sub X19) & ( (X15 sub X9 & X9 sub X20) => X15 sub X20) & ( (X15 sub X10 & X10 sub X1) => X15 sub X1) & ( (X15 sub X10 & X10 sub X2) => X15 sub X2) & ( (X15 sub X10 & X10 sub X3) => X15 sub X3) & ( (X15 sub X10 & X10 sub X4) => X15 sub X4) & ( (X15 sub X10 & X10 sub X5) => X15 sub X5) & ( (X15 sub X10 & X10 sub X6) => X15 sub X6) & ( (X15 sub X10 & X10 sub X7) => X15 sub X7) & ( (X15 sub X10 & X10 sub X8) => X15 sub X8) & ( (X15 sub X10 & X10 sub X9) => X15 sub X9) & ( (X15 sub X10 & X10 sub X11) => X15 sub X11) & ( (X15 sub X10 & X10 sub X12) => X15 sub X12) & ( (X15 sub X10 & X10 sub X13) => X15 sub X13) & ( (X15 sub X10 & X10 sub X14) => X15 sub X14) & ( (X15 sub X10 & X10 sub X16) => X15 sub X16) & ( (X15 sub X10 & X10 sub X17) => X15 sub X17) & ( (X15 sub X10 & X10 sub X18) => X15 sub X18) & ( (X15 sub X10 & X10 sub X19) => X15 sub X19) & ( (X15 sub X10 & X10 sub X20) => X15 sub X20) & ( (X15 sub X11 & X11 sub X1) => X15 sub X1) & ( (X15 sub X11 & X11 sub X2) => X15 sub X2) & ( (X15 sub X11 & X11 sub X3) => X15 sub X3) & ( (X15 sub X11 & X11 sub X4) => X15 sub X4) & ( (X15 sub X11 & X11 sub X5) => X15 sub X5) & ( (X15 sub X11 & X11 sub X6) => X15 sub X6) & ( (X15 sub X11 & X11 sub X7) => X15 sub X7) & ( (X15 sub X11 & X11 sub X8) => X15 sub X8) & ( (X15 sub X11 & X11 sub X9) => X15 sub X9) & ( (X15 sub X11 & X11 sub X10) => X15 sub X10) & ( (X15 sub X11 & X11 sub X12) => X15 sub X12) & ( (X15 sub X11 & X11 sub X13) => X15 sub X13) & ( (X15 sub X11 & X11 sub X14) => X15 sub X14) & ( (X15 sub X11 & X11 sub X16) => X15 sub X16) & ( (X15 sub X11 & X11 sub X17) => X15 sub X17) & ( (X15 sub X11 & X11 sub X18) => X15 sub X18) & ( (X15 sub X11 & X11 sub X19) => X15 sub X19) & ( (X15 sub X11 & X11 sub X20) => X15 sub X20) & ( (X15 sub X12 & X12 sub X1) => X15 sub X1) & ( (X15 sub X12 & X12 sub X2) => X15 sub X2) & ( (X15 sub X12 & X12 sub X3) => X15 sub X3) & ( (X15 sub X12 & X12 sub X4) => X15 sub X4) & ( (X15 sub X12 & X12 sub X5) => X15 sub X5) & ( (X15 sub X12 & X12 sub X6) => X15 sub X6) & ( (X15 sub X12 & X12 sub X7) => X15 sub X7) & ( (X15 sub X12 & X12 sub X8) => X15 sub X8) & ( (X15 sub X12 & X12 sub X9) => X15 sub X9) & ( (X15 sub X12 & X12 sub X10) => X15 sub X10) & ( (X15 sub X12 & X12 sub X11) => X15 sub X11) & ( (X15 sub X12 & X12 sub X13) => X15 sub X13) & ( (X15 sub X12 & X12 sub X14) => X15 sub X14) & ( (X15 sub X12 & X12 sub X16) => X15 sub X16) & ( (X15 sub X12 & X12 sub X17) => X15 sub X17) & ( (X15 sub X12 & X12 sub X18) => X15 sub X18) & ( (X15 sub X12 & X12 sub X19) => X15 sub X19) & ( (X15 sub X12 & X12 sub X20) => X15 sub X20) & ( (X15 sub X13 & X13 sub X1) => X15 sub X1) & ( (X15 sub X13 & X13 sub X2) => X15 sub X2) & ( (X15 sub X13 & X13 sub X3) => X15 sub X3) & ( (X15 sub X13 & X13 sub X4) => X15 sub X4) & ( (X15 sub X13 & X13 sub X5) => X15 sub X5) & ( (X15 sub X13 & X13 sub X6) => X15 sub X6) & ( (X15 sub X13 & X13 sub X7) => X15 sub X7) & ( (X15 sub X13 & X13 sub X8) => X15 sub X8) & ( (X15 sub X13 & X13 sub X9) => X15 sub X9) & ( (X15 sub X13 & X13 sub X10) => X15 sub X10) & ( (X15 sub X13 & X13 sub X11) => X15 sub X11) & ( (X15 sub X13 & X13 sub X12) => X15 sub X12) & ( (X15 sub X13 & X13 sub X14) => X15 sub X14) & ( (X15 sub X13 & X13 sub X16) => X15 sub X16) & ( (X15 sub X13 & X13 sub X17) => X15 sub X17) & ( (X15 sub X13 & X13 sub X18) => X15 sub X18) & ( (X15 sub X13 & X13 sub X19) => X15 sub X19) & ( (X15 sub X13 & X13 sub X20) => X15 sub X20) & ( (X15 sub X14 & X14 sub X1) => X15 sub X1) & ( (X15 sub X14 & X14 sub X2) => X15 sub X2) & ( (X15 sub X14 & X14 sub X3) => X15 sub X3) & ( (X15 sub X14 & X14 sub X4) => X15 sub X4) & ( (X15 sub X14 & X14 sub X5) => X15 sub X5) & ( (X15 sub X14 & X14 sub X6) => X15 sub X6) & ( (X15 sub X14 & X14 sub X7) => X15 sub X7) & ( (X15 sub X14 & X14 sub X8) => X15 sub X8) & ( (X15 sub X14 & X14 sub X9) => X15 sub X9) & ( (X15 sub X14 & X14 sub X10) => X15 sub X10) & ( (X15 sub X14 & X14 sub X11) => X15 sub X11) & ( (X15 sub X14 & X14 sub X12) => X15 sub X12) & ( (X15 sub X14 & X14 sub X13) => X15 sub X13) & ( (X15 sub X14 & X14 sub X16) => X15 sub X16) & ( (X15 sub X14 & X14 sub X17) => X15 sub X17) & ( (X15 sub X14 & X14 sub X18) => X15 sub X18) & ( (X15 sub X14 & X14 sub X19) => X15 sub X19) & ( (X15 sub X14 & X14 sub X20) => X15 sub X20) & ( (X15 sub X16 & X16 sub X1) => X15 sub X1) & ( (X15 sub X16 & X16 sub X2) => X15 sub X2) & ( (X15 sub X16 & X16 sub X3) => X15 sub X3) & ( (X15 sub X16 & X16 sub X4) => X15 sub X4) & ( (X15 sub X16 & X16 sub X5) => X15 sub X5) & ( (X15 sub X16 & X16 sub X6) => X15 sub X6) & ( (X15 sub X16 & X16 sub X7) => X15 sub X7) & ( (X15 sub X16 & X16 sub X8) => X15 sub X8) & ( (X15 sub X16 & X16 sub X9) => X15 sub X9) & ( (X15 sub X16 & X16 sub X10) => X15 sub X10) & ( (X15 sub X16 & X16 sub X11) => X15 sub X11) & ( (X15 sub X16 & X16 sub X12) => X15 sub X12) & ( (X15 sub X16 & X16 sub X13) => X15 sub X13) & ( (X15 sub X16 & X16 sub X14) => X15 sub X14) & ( (X15 sub X16 & X16 sub X17) => X15 sub X17) & ( (X15 sub X16 & X16 sub X18) => X15 sub X18) & ( (X15 sub X16 & X16 sub X19) => X15 sub X19) & ( (X15 sub X16 & X16 sub X20) => X15 sub X20) & ( (X15 sub X17 & X17 sub X1) => X15 sub X1) & ( (X15 sub X17 & X17 sub X2) => X15 sub X2) & ( (X15 sub X17 & X17 sub X3) => X15 sub X3) & ( (X15 sub X17 & X17 sub X4) => X15 sub X4) & ( (X15 sub X17 & X17 sub X5) => X15 sub X5) & ( (X15 sub X17 & X17 sub X6) => X15 sub X6) & ( (X15 sub X17 & X17 sub X7) => X15 sub X7) & ( (X15 sub X17 & X17 sub X8) => X15 sub X8) & ( (X15 sub X17 & X17 sub X9) => X15 sub X9) & ( (X15 sub X17 & X17 sub X10) => X15 sub X10) & ( (X15 sub X17 & X17 sub X11) => X15 sub X11) & ( (X15 sub X17 & X17 sub X12) => X15 sub X12) & ( (X15 sub X17 & X17 sub X13) => X15 sub X13) & ( (X15 sub X17 & X17 sub X14) => X15 sub X14) & ( (X15 sub X17 & X17 sub X16) => X15 sub X16) & ( (X15 sub X17 & X17 sub X18) => X15 sub X18) & ( (X15 sub X17 & X17 sub X19) => X15 sub X19) & ( (X15 sub X17 & X17 sub X20) => X15 sub X20) & ( (X15 sub X18 & X18 sub X1) => X15 sub X1) & ( (X15 sub X18 & X18 sub X2) => X15 sub X2) & ( (X15 sub X18 & X18 sub X3) => X15 sub X3) & ( (X15 sub X18 & X18 sub X4) => X15 sub X4) & ( (X15 sub X18 & X18 sub X5) => X15 sub X5) & ( (X15 sub X18 & X18 sub X6) => X15 sub X6) & ( (X15 sub X18 & X18 sub X7) => X15 sub X7) & ( (X15 sub X18 & X18 sub X8) => X15 sub X8) & ( (X15 sub X18 & X18 sub X9) => X15 sub X9) & ( (X15 sub X18 & X18 sub X10) => X15 sub X10) & ( (X15 sub X18 & X18 sub X11) => X15 sub X11) & ( (X15 sub X18 & X18 sub X12) => X15 sub X12) & ( (X15 sub X18 & X18 sub X13) => X15 sub X13) & ( (X15 sub X18 & X18 sub X14) => X15 sub X14) & ( (X15 sub X18 & X18 sub X16) => X15 sub X16) & ( (X15 sub X18 & X18 sub X17) => X15 sub X17) & ( (X15 sub X18 & X18 sub X19) => X15 sub X19) & ( (X15 sub X18 & X18 sub X20) => X15 sub X20) & ( (X15 sub X19 & X19 sub X1) => X15 sub X1) & ( (X15 sub X19 & X19 sub X2) => X15 sub X2) & ( (X15 sub X19 & X19 sub X3) => X15 sub X3) & ( (X15 sub X19 & X19 sub X4) => X15 sub X4) & ( (X15 sub X19 & X19 sub X5) => X15 sub X5) & ( (X15 sub X19 & X19 sub X6) => X15 sub X6) & ( (X15 sub X19 & X19 sub X7) => X15 sub X7) & ( (X15 sub X19 & X19 sub X8) => X15 sub X8) & ( (X15 sub X19 & X19 sub X9) => X15 sub X9) & ( (X15 sub X19 & X19 sub X10) => X15 sub X10) & ( (X15 sub X19 & X19 sub X11) => X15 sub X11) & ( (X15 sub X19 & X19 sub X12) => X15 sub X12) & ( (X15 sub X19 & X19 sub X13) => X15 sub X13) & ( (X15 sub X19 & X19 sub X14) => X15 sub X14) & ( (X15 sub X19 & X19 sub X16) => X15 sub X16) & ( (X15 sub X19 & X19 sub X17) => X15 sub X17) & ( (X15 sub X19 & X19 sub X18) => X15 sub X18) & ( (X15 sub X19 & X19 sub X20) => X15 sub X20) & ( (X15 sub X20 & X20 sub X1) => X15 sub X1) & ( (X15 sub X20 & X20 sub X2) => X15 sub X2) & ( (X15 sub X20 & X20 sub X3) => X15 sub X3) & ( (X15 sub X20 & X20 sub X4) => X15 sub X4) & ( (X15 sub X20 & X20 sub X5) => X15 sub X5) & ( (X15 sub X20 & X20 sub X6) => X15 sub X6) & ( (X15 sub X20 & X20 sub X7) => X15 sub X7) & ( (X15 sub X20 & X20 sub X8) => X15 sub X8) & ( (X15 sub X20 & X20 sub X9) => X15 sub X9) & ( (X15 sub X20 & X20 sub X10) => X15 sub X10) & ( (X15 sub X20 & X20 sub X11) => X15 sub X11) & ( (X15 sub X20 & X20 sub X12) => X15 sub X12) & ( (X15 sub X20 & X20 sub X13) => X15 sub X13) & ( (X15 sub X20 & X20 sub X14) => X15 sub X14) & ( (X15 sub X20 & X20 sub X16) => X15 sub X16) & ( (X15 sub X20 & X20 sub X17) => X15 sub X17) & ( (X15 sub X20 & X20 sub X18) => X15 sub X18) & ( (X15 sub X20 & X20 sub X19) => X15 sub X19) & ( (X16 sub X1 & X1 sub X2) => X16 sub X2) & ( (X16 sub X1 & X1 sub X3) => X16 sub X3) & ( (X16 sub X1 & X1 sub X4) => X16 sub X4) & ( (X16 sub X1 & X1 sub X5) => X16 sub X5) & ( (X16 sub X1 & X1 sub X6) => X16 sub X6) & ( (X16 sub X1 & X1 sub X7) => X16 sub X7) & ( (X16 sub X1 & X1 sub X8) => X16 sub X8) & ( (X16 sub X1 & X1 sub X9) => X16 sub X9) & ( (X16 sub X1 & X1 sub X10) => X16 sub X10) & ( (X16 sub X1 & X1 sub X11) => X16 sub X11) & ( (X16 sub X1 & X1 sub X12) => X16 sub X12) & ( (X16 sub X1 & X1 sub X13) => X16 sub X13) & ( (X16 sub X1 & X1 sub X14) => X16 sub X14) & ( (X16 sub X1 & X1 sub X15) => X16 sub X15) & ( (X16 sub X1 & X1 sub X17) => X16 sub X17) & ( (X16 sub X1 & X1 sub X18) => X16 sub X18) & ( (X16 sub X1 & X1 sub X19) => X16 sub X19) & ( (X16 sub X1 & X1 sub X20) => X16 sub X20) & ( (X16 sub X2 & X2 sub X1) => X16 sub X1) & ( (X16 sub X2 & X2 sub X3) => X16 sub X3) & ( (X16 sub X2 & X2 sub X4) => X16 sub X4) & ( (X16 sub X2 & X2 sub X5) => X16 sub X5) & ( (X16 sub X2 & X2 sub X6) => X16 sub X6) & ( (X16 sub X2 & X2 sub X7) => X16 sub X7) & ( (X16 sub X2 & X2 sub X8) => X16 sub X8) & ( (X16 sub X2 & X2 sub X9) => X16 sub X9) & ( (X16 sub X2 & X2 sub X10) => X16 sub X10) & ( (X16 sub X2 & X2 sub X11) => X16 sub X11) & ( (X16 sub X2 & X2 sub X12) => X16 sub X12) & ( (X16 sub X2 & X2 sub X13) => X16 sub X13) & ( (X16 sub X2 & X2 sub X14) => X16 sub X14) & ( (X16 sub X2 & X2 sub X15) => X16 sub X15) & ( (X16 sub X2 & X2 sub X17) => X16 sub X17) & ( (X16 sub X2 & X2 sub X18) => X16 sub X18) & ( (X16 sub X2 & X2 sub X19) => X16 sub X19) & ( (X16 sub X2 & X2 sub X20) => X16 sub X20) & ( (X16 sub X3 & X3 sub X1) => X16 sub X1) & ( (X16 sub X3 & X3 sub X2) => X16 sub X2) & ( (X16 sub X3 & X3 sub X4) => X16 sub X4) & ( (X16 sub X3 & X3 sub X5) => X16 sub X5) & ( (X16 sub X3 & X3 sub X6) => X16 sub X6) & ( (X16 sub X3 & X3 sub X7) => X16 sub X7) & ( (X16 sub X3 & X3 sub X8) => X16 sub X8) & ( (X16 sub X3 & X3 sub X9) => X16 sub X9) & ( (X16 sub X3 & X3 sub X10) => X16 sub X10) & ( (X16 sub X3 & X3 sub X11) => X16 sub X11) & ( (X16 sub X3 & X3 sub X12) => X16 sub X12) & ( (X16 sub X3 & X3 sub X13) => X16 sub X13) & ( (X16 sub X3 & X3 sub X14) => X16 sub X14) & ( (X16 sub X3 & X3 sub X15) => X16 sub X15) & ( (X16 sub X3 & X3 sub X17) => X16 sub X17) & ( (X16 sub X3 & X3 sub X18) => X16 sub X18) & ( (X16 sub X3 & X3 sub X19) => X16 sub X19) & ( (X16 sub X3 & X3 sub X20) => X16 sub X20) & ( (X16 sub X4 & X4 sub X1) => X16 sub X1) & ( (X16 sub X4 & X4 sub X2) => X16 sub X2) & ( (X16 sub X4 & X4 sub X3) => X16 sub X3) & ( (X16 sub X4 & X4 sub X5) => X16 sub X5) & ( (X16 sub X4 & X4 sub X6) => X16 sub X6) & ( (X16 sub X4 & X4 sub X7) => X16 sub X7) & ( (X16 sub X4 & X4 sub X8) => X16 sub X8) & ( (X16 sub X4 & X4 sub X9) => X16 sub X9) & ( (X16 sub X4 & X4 sub X10) => X16 sub X10) & ( (X16 sub X4 & X4 sub X11) => X16 sub X11) & ( (X16 sub X4 & X4 sub X12) => X16 sub X12) & ( (X16 sub X4 & X4 sub X13) => X16 sub X13) & ( (X16 sub X4 & X4 sub X14) => X16 sub X14) & ( (X16 sub X4 & X4 sub X15) => X16 sub X15) & ( (X16 sub X4 & X4 sub X17) => X16 sub X17) & ( (X16 sub X4 & X4 sub X18) => X16 sub X18) & ( (X16 sub X4 & X4 sub X19) => X16 sub X19) & ( (X16 sub X4 & X4 sub X20) => X16 sub X20) & ( (X16 sub X5 & X5 sub X1) => X16 sub X1) & ( (X16 sub X5 & X5 sub X2) => X16 sub X2) & ( (X16 sub X5 & X5 sub X3) => X16 sub X3) & ( (X16 sub X5 & X5 sub X4) => X16 sub X4) & ( (X16 sub X5 & X5 sub X6) => X16 sub X6) & ( (X16 sub X5 & X5 sub X7) => X16 sub X7) & ( (X16 sub X5 & X5 sub X8) => X16 sub X8) & ( (X16 sub X5 & X5 sub X9) => X16 sub X9) & ( (X16 sub X5 & X5 sub X10) => X16 sub X10) & ( (X16 sub X5 & X5 sub X11) => X16 sub X11) & ( (X16 sub X5 & X5 sub X12) => X16 sub X12) & ( (X16 sub X5 & X5 sub X13) => X16 sub X13) & ( (X16 sub X5 & X5 sub X14) => X16 sub X14) & ( (X16 sub X5 & X5 sub X15) => X16 sub X15) & ( (X16 sub X5 & X5 sub X17) => X16 sub X17) & ( (X16 sub X5 & X5 sub X18) => X16 sub X18) & ( (X16 sub X5 & X5 sub X19) => X16 sub X19) & ( (X16 sub X5 & X5 sub X20) => X16 sub X20) & ( (X16 sub X6 & X6 sub X1) => X16 sub X1) & ( (X16 sub X6 & X6 sub X2) => X16 sub X2) & ( (X16 sub X6 & X6 sub X3) => X16 sub X3) & ( (X16 sub X6 & X6 sub X4) => X16 sub X4) & ( (X16 sub X6 & X6 sub X5) => X16 sub X5) & ( (X16 sub X6 & X6 sub X7) => X16 sub X7) & ( (X16 sub X6 & X6 sub X8) => X16 sub X8) & ( (X16 sub X6 & X6 sub X9) => X16 sub X9) & ( (X16 sub X6 & X6 sub X10) => X16 sub X10) & ( (X16 sub X6 & X6 sub X11) => X16 sub X11) & ( (X16 sub X6 & X6 sub X12) => X16 sub X12) & ( (X16 sub X6 & X6 sub X13) => X16 sub X13) & ( (X16 sub X6 & X6 sub X14) => X16 sub X14) & ( (X16 sub X6 & X6 sub X15) => X16 sub X15) & ( (X16 sub X6 & X6 sub X17) => X16 sub X17) & ( (X16 sub X6 & X6 sub X18) => X16 sub X18) & ( (X16 sub X6 & X6 sub X19) => X16 sub X19) & ( (X16 sub X6 & X6 sub X20) => X16 sub X20) & ( (X16 sub X7 & X7 sub X1) => X16 sub X1) & ( (X16 sub X7 & X7 sub X2) => X16 sub X2) & ( (X16 sub X7 & X7 sub X3) => X16 sub X3) & ( (X16 sub X7 & X7 sub X4) => X16 sub X4) & ( (X16 sub X7 & X7 sub X5) => X16 sub X5) & ( (X16 sub X7 & X7 sub X6) => X16 sub X6) & ( (X16 sub X7 & X7 sub X8) => X16 sub X8) & ( (X16 sub X7 & X7 sub X9) => X16 sub X9) & ( (X16 sub X7 & X7 sub X10) => X16 sub X10) & ( (X16 sub X7 & X7 sub X11) => X16 sub X11) & ( (X16 sub X7 & X7 sub X12) => X16 sub X12) & ( (X16 sub X7 & X7 sub X13) => X16 sub X13) & ( (X16 sub X7 & X7 sub X14) => X16 sub X14) & ( (X16 sub X7 & X7 sub X15) => X16 sub X15) & ( (X16 sub X7 & X7 sub X17) => X16 sub X17) & ( (X16 sub X7 & X7 sub X18) => X16 sub X18) & ( (X16 sub X7 & X7 sub X19) => X16 sub X19) & ( (X16 sub X7 & X7 sub X20) => X16 sub X20) & ( (X16 sub X8 & X8 sub X1) => X16 sub X1) & ( (X16 sub X8 & X8 sub X2) => X16 sub X2) & ( (X16 sub X8 & X8 sub X3) => X16 sub X3) & ( (X16 sub X8 & X8 sub X4) => X16 sub X4) & ( (X16 sub X8 & X8 sub X5) => X16 sub X5) & ( (X16 sub X8 & X8 sub X6) => X16 sub X6) & ( (X16 sub X8 & X8 sub X7) => X16 sub X7) & ( (X16 sub X8 & X8 sub X9) => X16 sub X9) & ( (X16 sub X8 & X8 sub X10) => X16 sub X10) & ( (X16 sub X8 & X8 sub X11) => X16 sub X11) & ( (X16 sub X8 & X8 sub X12) => X16 sub X12) & ( (X16 sub X8 & X8 sub X13) => X16 sub X13) & ( (X16 sub X8 & X8 sub X14) => X16 sub X14) & ( (X16 sub X8 & X8 sub X15) => X16 sub X15) & ( (X16 sub X8 & X8 sub X17) => X16 sub X17) & ( (X16 sub X8 & X8 sub X18) => X16 sub X18) & ( (X16 sub X8 & X8 sub X19) => X16 sub X19) & ( (X16 sub X8 & X8 sub X20) => X16 sub X20) & ( (X16 sub X9 & X9 sub X1) => X16 sub X1) & ( (X16 sub X9 & X9 sub X2) => X16 sub X2) & ( (X16 sub X9 & X9 sub X3) => X16 sub X3) & ( (X16 sub X9 & X9 sub X4) => X16 sub X4) & ( (X16 sub X9 & X9 sub X5) => X16 sub X5) & ( (X16 sub X9 & X9 sub X6) => X16 sub X6) & ( (X16 sub X9 & X9 sub X7) => X16 sub X7) & ( (X16 sub X9 & X9 sub X8) => X16 sub X8) & ( (X16 sub X9 & X9 sub X10) => X16 sub X10) & ( (X16 sub X9 & X9 sub X11) => X16 sub X11) & ( (X16 sub X9 & X9 sub X12) => X16 sub X12) & ( (X16 sub X9 & X9 sub X13) => X16 sub X13) & ( (X16 sub X9 & X9 sub X14) => X16 sub X14) & ( (X16 sub X9 & X9 sub X15) => X16 sub X15) & ( (X16 sub X9 & X9 sub X17) => X16 sub X17) & ( (X16 sub X9 & X9 sub X18) => X16 sub X18) & ( (X16 sub X9 & X9 sub X19) => X16 sub X19) & ( (X16 sub X9 & X9 sub X20) => X16 sub X20) & ( (X16 sub X10 & X10 sub X1) => X16 sub X1) & ( (X16 sub X10 & X10 sub X2) => X16 sub X2) & ( (X16 sub X10 & X10 sub X3) => X16 sub X3) & ( (X16 sub X10 & X10 sub X4) => X16 sub X4) & ( (X16 sub X10 & X10 sub X5) => X16 sub X5) & ( (X16 sub X10 & X10 sub X6) => X16 sub X6) & ( (X16 sub X10 & X10 sub X7) => X16 sub X7) & ( (X16 sub X10 & X10 sub X8) => X16 sub X8) & ( (X16 sub X10 & X10 sub X9) => X16 sub X9) & ( (X16 sub X10 & X10 sub X11) => X16 sub X11) & ( (X16 sub X10 & X10 sub X12) => X16 sub X12) & ( (X16 sub X10 & X10 sub X13) => X16 sub X13) & ( (X16 sub X10 & X10 sub X14) => X16 sub X14) & ( (X16 sub X10 & X10 sub X15) => X16 sub X15) & ( (X16 sub X10 & X10 sub X17) => X16 sub X17) & ( (X16 sub X10 & X10 sub X18) => X16 sub X18) & ( (X16 sub X10 & X10 sub X19) => X16 sub X19) & ( (X16 sub X10 & X10 sub X20) => X16 sub X20) & ( (X16 sub X11 & X11 sub X1) => X16 sub X1) & ( (X16 sub X11 & X11 sub X2) => X16 sub X2) & ( (X16 sub X11 & X11 sub X3) => X16 sub X3) & ( (X16 sub X11 & X11 sub X4) => X16 sub X4) & ( (X16 sub X11 & X11 sub X5) => X16 sub X5) & ( (X16 sub X11 & X11 sub X6) => X16 sub X6) & ( (X16 sub X11 & X11 sub X7) => X16 sub X7) & ( (X16 sub X11 & X11 sub X8) => X16 sub X8) & ( (X16 sub X11 & X11 sub X9) => X16 sub X9) & ( (X16 sub X11 & X11 sub X10) => X16 sub X10) & ( (X16 sub X11 & X11 sub X12) => X16 sub X12) & ( (X16 sub X11 & X11 sub X13) => X16 sub X13) & ( (X16 sub X11 & X11 sub X14) => X16 sub X14) & ( (X16 sub X11 & X11 sub X15) => X16 sub X15) & ( (X16 sub X11 & X11 sub X17) => X16 sub X17) & ( (X16 sub X11 & X11 sub X18) => X16 sub X18) & ( (X16 sub X11 & X11 sub X19) => X16 sub X19) & ( (X16 sub X11 & X11 sub X20) => X16 sub X20) & ( (X16 sub X12 & X12 sub X1) => X16 sub X1) & ( (X16 sub X12 & X12 sub X2) => X16 sub X2) & ( (X16 sub X12 & X12 sub X3) => X16 sub X3) & ( (X16 sub X12 & X12 sub X4) => X16 sub X4) & ( (X16 sub X12 & X12 sub X5) => X16 sub X5) & ( (X16 sub X12 & X12 sub X6) => X16 sub X6) & ( (X16 sub X12 & X12 sub X7) => X16 sub X7) & ( (X16 sub X12 & X12 sub X8) => X16 sub X8) & ( (X16 sub X12 & X12 sub X9) => X16 sub X9) & ( (X16 sub X12 & X12 sub X10) => X16 sub X10) & ( (X16 sub X12 & X12 sub X11) => X16 sub X11) & ( (X16 sub X12 & X12 sub X13) => X16 sub X13) & ( (X16 sub X12 & X12 sub X14) => X16 sub X14) & ( (X16 sub X12 & X12 sub X15) => X16 sub X15) & ( (X16 sub X12 & X12 sub X17) => X16 sub X17) & ( (X16 sub X12 & X12 sub X18) => X16 sub X18) & ( (X16 sub X12 & X12 sub X19) => X16 sub X19) & ( (X16 sub X12 & X12 sub X20) => X16 sub X20) & ( (X16 sub X13 & X13 sub X1) => X16 sub X1) & ( (X16 sub X13 & X13 sub X2) => X16 sub X2) & ( (X16 sub X13 & X13 sub X3) => X16 sub X3) & ( (X16 sub X13 & X13 sub X4) => X16 sub X4) & ( (X16 sub X13 & X13 sub X5) => X16 sub X5) & ( (X16 sub X13 & X13 sub X6) => X16 sub X6) & ( (X16 sub X13 & X13 sub X7) => X16 sub X7) & ( (X16 sub X13 & X13 sub X8) => X16 sub X8) & ( (X16 sub X13 & X13 sub X9) => X16 sub X9) & ( (X16 sub X13 & X13 sub X10) => X16 sub X10) & ( (X16 sub X13 & X13 sub X11) => X16 sub X11) & ( (X16 sub X13 & X13 sub X12) => X16 sub X12) & ( (X16 sub X13 & X13 sub X14) => X16 sub X14) & ( (X16 sub X13 & X13 sub X15) => X16 sub X15) & ( (X16 sub X13 & X13 sub X17) => X16 sub X17) & ( (X16 sub X13 & X13 sub X18) => X16 sub X18) & ( (X16 sub X13 & X13 sub X19) => X16 sub X19) & ( (X16 sub X13 & X13 sub X20) => X16 sub X20) & ( (X16 sub X14 & X14 sub X1) => X16 sub X1) & ( (X16 sub X14 & X14 sub X2) => X16 sub X2) & ( (X16 sub X14 & X14 sub X3) => X16 sub X3) & ( (X16 sub X14 & X14 sub X4) => X16 sub X4) & ( (X16 sub X14 & X14 sub X5) => X16 sub X5) & ( (X16 sub X14 & X14 sub X6) => X16 sub X6) & ( (X16 sub X14 & X14 sub X7) => X16 sub X7) & ( (X16 sub X14 & X14 sub X8) => X16 sub X8) & ( (X16 sub X14 & X14 sub X9) => X16 sub X9) & ( (X16 sub X14 & X14 sub X10) => X16 sub X10) & ( (X16 sub X14 & X14 sub X11) => X16 sub X11) & ( (X16 sub X14 & X14 sub X12) => X16 sub X12) & ( (X16 sub X14 & X14 sub X13) => X16 sub X13) & ( (X16 sub X14 & X14 sub X15) => X16 sub X15) & ( (X16 sub X14 & X14 sub X17) => X16 sub X17) & ( (X16 sub X14 & X14 sub X18) => X16 sub X18) & ( (X16 sub X14 & X14 sub X19) => X16 sub X19) & ( (X16 sub X14 & X14 sub X20) => X16 sub X20) & ( (X16 sub X15 & X15 sub X1) => X16 sub X1) & ( (X16 sub X15 & X15 sub X2) => X16 sub X2) & ( (X16 sub X15 & X15 sub X3) => X16 sub X3) & ( (X16 sub X15 & X15 sub X4) => X16 sub X4) & ( (X16 sub X15 & X15 sub X5) => X16 sub X5) & ( (X16 sub X15 & X15 sub X6) => X16 sub X6) & ( (X16 sub X15 & X15 sub X7) => X16 sub X7) & ( (X16 sub X15 & X15 sub X8) => X16 sub X8) & ( (X16 sub X15 & X15 sub X9) => X16 sub X9) & ( (X16 sub X15 & X15 sub X10) => X16 sub X10) & ( (X16 sub X15 & X15 sub X11) => X16 sub X11) & ( (X16 sub X15 & X15 sub X12) => X16 sub X12) & ( (X16 sub X15 & X15 sub X13) => X16 sub X13) & ( (X16 sub X15 & X15 sub X14) => X16 sub X14) & ( (X16 sub X15 & X15 sub X17) => X16 sub X17) & ( (X16 sub X15 & X15 sub X18) => X16 sub X18) & ( (X16 sub X15 & X15 sub X19) => X16 sub X19) & ( (X16 sub X15 & X15 sub X20) => X16 sub X20) & ( (X16 sub X17 & X17 sub X1) => X16 sub X1) & ( (X16 sub X17 & X17 sub X2) => X16 sub X2) & ( (X16 sub X17 & X17 sub X3) => X16 sub X3) & ( (X16 sub X17 & X17 sub X4) => X16 sub X4) & ( (X16 sub X17 & X17 sub X5) => X16 sub X5) & ( (X16 sub X17 & X17 sub X6) => X16 sub X6) & ( (X16 sub X17 & X17 sub X7) => X16 sub X7) & ( (X16 sub X17 & X17 sub X8) => X16 sub X8) & ( (X16 sub X17 & X17 sub X9) => X16 sub X9) & ( (X16 sub X17 & X17 sub X10) => X16 sub X10) & ( (X16 sub X17 & X17 sub X11) => X16 sub X11) & ( (X16 sub X17 & X17 sub X12) => X16 sub X12) & ( (X16 sub X17 & X17 sub X13) => X16 sub X13) & ( (X16 sub X17 & X17 sub X14) => X16 sub X14) & ( (X16 sub X17 & X17 sub X15) => X16 sub X15) & ( (X16 sub X17 & X17 sub X18) => X16 sub X18) & ( (X16 sub X17 & X17 sub X19) => X16 sub X19) & ( (X16 sub X17 & X17 sub X20) => X16 sub X20) & ( (X16 sub X18 & X18 sub X1) => X16 sub X1) & ( (X16 sub X18 & X18 sub X2) => X16 sub X2) & ( (X16 sub X18 & X18 sub X3) => X16 sub X3) & ( (X16 sub X18 & X18 sub X4) => X16 sub X4) & ( (X16 sub X18 & X18 sub X5) => X16 sub X5) & ( (X16 sub X18 & X18 sub X6) => X16 sub X6) & ( (X16 sub X18 & X18 sub X7) => X16 sub X7) & ( (X16 sub X18 & X18 sub X8) => X16 sub X8) & ( (X16 sub X18 & X18 sub X9) => X16 sub X9) & ( (X16 sub X18 & X18 sub X10) => X16 sub X10) & ( (X16 sub X18 & X18 sub X11) => X16 sub X11) & ( (X16 sub X18 & X18 sub X12) => X16 sub X12) & ( (X16 sub X18 & X18 sub X13) => X16 sub X13) & ( (X16 sub X18 & X18 sub X14) => X16 sub X14) & ( (X16 sub X18 & X18 sub X15) => X16 sub X15) & ( (X16 sub X18 & X18 sub X17) => X16 sub X17) & ( (X16 sub X18 & X18 sub X19) => X16 sub X19) & ( (X16 sub X18 & X18 sub X20) => X16 sub X20) & ( (X16 sub X19 & X19 sub X1) => X16 sub X1) & ( (X16 sub X19 & X19 sub X2) => X16 sub X2) & ( (X16 sub X19 & X19 sub X3) => X16 sub X3) & ( (X16 sub X19 & X19 sub X4) => X16 sub X4) & ( (X16 sub X19 & X19 sub X5) => X16 sub X5) & ( (X16 sub X19 & X19 sub X6) => X16 sub X6) & ( (X16 sub X19 & X19 sub X7) => X16 sub X7) & ( (X16 sub X19 & X19 sub X8) => X16 sub X8) & ( (X16 sub X19 & X19 sub X9) => X16 sub X9) & ( (X16 sub X19 & X19 sub X10) => X16 sub X10) & ( (X16 sub X19 & X19 sub X11) => X16 sub X11) & ( (X16 sub X19 & X19 sub X12) => X16 sub X12) & ( (X16 sub X19 & X19 sub X13) => X16 sub X13) & ( (X16 sub X19 & X19 sub X14) => X16 sub X14) & ( (X16 sub X19 & X19 sub X15) => X16 sub X15) & ( (X16 sub X19 & X19 sub X17) => X16 sub X17) & ( (X16 sub X19 & X19 sub X18) => X16 sub X18) & ( (X16 sub X19 & X19 sub X20) => X16 sub X20) & ( (X16 sub X20 & X20 sub X1) => X16 sub X1) & ( (X16 sub X20 & X20 sub X2) => X16 sub X2) & ( (X16 sub X20 & X20 sub X3) => X16 sub X3) & ( (X16 sub X20 & X20 sub X4) => X16 sub X4) & ( (X16 sub X20 & X20 sub X5) => X16 sub X5) & ( (X16 sub X20 & X20 sub X6) => X16 sub X6) & ( (X16 sub X20 & X20 sub X7) => X16 sub X7) & ( (X16 sub X20 & X20 sub X8) => X16 sub X8) & ( (X16 sub X20 & X20 sub X9) => X16 sub X9) & ( (X16 sub X20 & X20 sub X10) => X16 sub X10) & ( (X16 sub X20 & X20 sub X11) => X16 sub X11) & ( (X16 sub X20 & X20 sub X12) => X16 sub X12) & ( (X16 sub X20 & X20 sub X13) => X16 sub X13) & ( (X16 sub X20 & X20 sub X14) => X16 sub X14) & ( (X16 sub X20 & X20 sub X15) => X16 sub X15) & ( (X16 sub X20 & X20 sub X17) => X16 sub X17) & ( (X16 sub X20 & X20 sub X18) => X16 sub X18) & ( (X16 sub X20 & X20 sub X19) => X16 sub X19) & ( (X17 sub X1 & X1 sub X2) => X17 sub X2) & ( (X17 sub X1 & X1 sub X3) => X17 sub X3) & ( (X17 sub X1 & X1 sub X4) => X17 sub X4) & ( (X17 sub X1 & X1 sub X5) => X17 sub X5) & ( (X17 sub X1 & X1 sub X6) => X17 sub X6) & ( (X17 sub X1 & X1 sub X7) => X17 sub X7) & ( (X17 sub X1 & X1 sub X8) => X17 sub X8) & ( (X17 sub X1 & X1 sub X9) => X17 sub X9) & ( (X17 sub X1 & X1 sub X10) => X17 sub X10) & ( (X17 sub X1 & X1 sub X11) => X17 sub X11) & ( (X17 sub X1 & X1 sub X12) => X17 sub X12) & ( (X17 sub X1 & X1 sub X13) => X17 sub X13) & ( (X17 sub X1 & X1 sub X14) => X17 sub X14) & ( (X17 sub X1 & X1 sub X15) => X17 sub X15) & ( (X17 sub X1 & X1 sub X16) => X17 sub X16) & ( (X17 sub X1 & X1 sub X18) => X17 sub X18) & ( (X17 sub X1 & X1 sub X19) => X17 sub X19) & ( (X17 sub X1 & X1 sub X20) => X17 sub X20) & ( (X17 sub X2 & X2 sub X1) => X17 sub X1) & ( (X17 sub X2 & X2 sub X3) => X17 sub X3) & ( (X17 sub X2 & X2 sub X4) => X17 sub X4) & ( (X17 sub X2 & X2 sub X5) => X17 sub X5) & ( (X17 sub X2 & X2 sub X6) => X17 sub X6) & ( (X17 sub X2 & X2 sub X7) => X17 sub X7) & ( (X17 sub X2 & X2 sub X8) => X17 sub X8) & ( (X17 sub X2 & X2 sub X9) => X17 sub X9) & ( (X17 sub X2 & X2 sub X10) => X17 sub X10) & ( (X17 sub X2 & X2 sub X11) => X17 sub X11) & ( (X17 sub X2 & X2 sub X12) => X17 sub X12) & ( (X17 sub X2 & X2 sub X13) => X17 sub X13) & ( (X17 sub X2 & X2 sub X14) => X17 sub X14) & ( (X17 sub X2 & X2 sub X15) => X17 sub X15) & ( (X17 sub X2 & X2 sub X16) => X17 sub X16) & ( (X17 sub X2 & X2 sub X18) => X17 sub X18) & ( (X17 sub X2 & X2 sub X19) => X17 sub X19) & ( (X17 sub X2 & X2 sub X20) => X17 sub X20) & ( (X17 sub X3 & X3 sub X1) => X17 sub X1) & ( (X17 sub X3 & X3 sub X2) => X17 sub X2) & ( (X17 sub X3 & X3 sub X4) => X17 sub X4) & ( (X17 sub X3 & X3 sub X5) => X17 sub X5) & ( (X17 sub X3 & X3 sub X6) => X17 sub X6) & ( (X17 sub X3 & X3 sub X7) => X17 sub X7) & ( (X17 sub X3 & X3 sub X8) => X17 sub X8) & ( (X17 sub X3 & X3 sub X9) => X17 sub X9) & ( (X17 sub X3 & X3 sub X10) => X17 sub X10) & ( (X17 sub X3 & X3 sub X11) => X17 sub X11) & ( (X17 sub X3 & X3 sub X12) => X17 sub X12) & ( (X17 sub X3 & X3 sub X13) => X17 sub X13) & ( (X17 sub X3 & X3 sub X14) => X17 sub X14) & ( (X17 sub X3 & X3 sub X15) => X17 sub X15) & ( (X17 sub X3 & X3 sub X16) => X17 sub X16) & ( (X17 sub X3 & X3 sub X18) => X17 sub X18) & ( (X17 sub X3 & X3 sub X19) => X17 sub X19) & ( (X17 sub X3 & X3 sub X20) => X17 sub X20) & ( (X17 sub X4 & X4 sub X1) => X17 sub X1) & ( (X17 sub X4 & X4 sub X2) => X17 sub X2) & ( (X17 sub X4 & X4 sub X3) => X17 sub X3) & ( (X17 sub X4 & X4 sub X5) => X17 sub X5) & ( (X17 sub X4 & X4 sub X6) => X17 sub X6) & ( (X17 sub X4 & X4 sub X7) => X17 sub X7) & ( (X17 sub X4 & X4 sub X8) => X17 sub X8) & ( (X17 sub X4 & X4 sub X9) => X17 sub X9) & ( (X17 sub X4 & X4 sub X10) => X17 sub X10) & ( (X17 sub X4 & X4 sub X11) => X17 sub X11) & ( (X17 sub X4 & X4 sub X12) => X17 sub X12) & ( (X17 sub X4 & X4 sub X13) => X17 sub X13) & ( (X17 sub X4 & X4 sub X14) => X17 sub X14) & ( (X17 sub X4 & X4 sub X15) => X17 sub X15) & ( (X17 sub X4 & X4 sub X16) => X17 sub X16) & ( (X17 sub X4 & X4 sub X18) => X17 sub X18) & ( (X17 sub X4 & X4 sub X19) => X17 sub X19) & ( (X17 sub X4 & X4 sub X20) => X17 sub X20) & ( (X17 sub X5 & X5 sub X1) => X17 sub X1) & ( (X17 sub X5 & X5 sub X2) => X17 sub X2) & ( (X17 sub X5 & X5 sub X3) => X17 sub X3) & ( (X17 sub X5 & X5 sub X4) => X17 sub X4) & ( (X17 sub X5 & X5 sub X6) => X17 sub X6) & ( (X17 sub X5 & X5 sub X7) => X17 sub X7) & ( (X17 sub X5 & X5 sub X8) => X17 sub X8) & ( (X17 sub X5 & X5 sub X9) => X17 sub X9) & ( (X17 sub X5 & X5 sub X10) => X17 sub X10) & ( (X17 sub X5 & X5 sub X11) => X17 sub X11) & ( (X17 sub X5 & X5 sub X12) => X17 sub X12) & ( (X17 sub X5 & X5 sub X13) => X17 sub X13) & ( (X17 sub X5 & X5 sub X14) => X17 sub X14) & ( (X17 sub X5 & X5 sub X15) => X17 sub X15) & ( (X17 sub X5 & X5 sub X16) => X17 sub X16) & ( (X17 sub X5 & X5 sub X18) => X17 sub X18) & ( (X17 sub X5 & X5 sub X19) => X17 sub X19) & ( (X17 sub X5 & X5 sub X20) => X17 sub X20) & ( (X17 sub X6 & X6 sub X1) => X17 sub X1) & ( (X17 sub X6 & X6 sub X2) => X17 sub X2) & ( (X17 sub X6 & X6 sub X3) => X17 sub X3) & ( (X17 sub X6 & X6 sub X4) => X17 sub X4) & ( (X17 sub X6 & X6 sub X5) => X17 sub X5) & ( (X17 sub X6 & X6 sub X7) => X17 sub X7) & ( (X17 sub X6 & X6 sub X8) => X17 sub X8) & ( (X17 sub X6 & X6 sub X9) => X17 sub X9) & ( (X17 sub X6 & X6 sub X10) => X17 sub X10) & ( (X17 sub X6 & X6 sub X11) => X17 sub X11) & ( (X17 sub X6 & X6 sub X12) => X17 sub X12) & ( (X17 sub X6 & X6 sub X13) => X17 sub X13) & ( (X17 sub X6 & X6 sub X14) => X17 sub X14) & ( (X17 sub X6 & X6 sub X15) => X17 sub X15) & ( (X17 sub X6 & X6 sub X16) => X17 sub X16) & ( (X17 sub X6 & X6 sub X18) => X17 sub X18) & ( (X17 sub X6 & X6 sub X19) => X17 sub X19) & ( (X17 sub X6 & X6 sub X20) => X17 sub X20) & ( (X17 sub X7 & X7 sub X1) => X17 sub X1) & ( (X17 sub X7 & X7 sub X2) => X17 sub X2) & ( (X17 sub X7 & X7 sub X3) => X17 sub X3) & ( (X17 sub X7 & X7 sub X4) => X17 sub X4) & ( (X17 sub X7 & X7 sub X5) => X17 sub X5) & ( (X17 sub X7 & X7 sub X6) => X17 sub X6) & ( (X17 sub X7 & X7 sub X8) => X17 sub X8) & ( (X17 sub X7 & X7 sub X9) => X17 sub X9) & ( (X17 sub X7 & X7 sub X10) => X17 sub X10) & ( (X17 sub X7 & X7 sub X11) => X17 sub X11) & ( (X17 sub X7 & X7 sub X12) => X17 sub X12) & ( (X17 sub X7 & X7 sub X13) => X17 sub X13) & ( (X17 sub X7 & X7 sub X14) => X17 sub X14) & ( (X17 sub X7 & X7 sub X15) => X17 sub X15) & ( (X17 sub X7 & X7 sub X16) => X17 sub X16) & ( (X17 sub X7 & X7 sub X18) => X17 sub X18) & ( (X17 sub X7 & X7 sub X19) => X17 sub X19) & ( (X17 sub X7 & X7 sub X20) => X17 sub X20) & ( (X17 sub X8 & X8 sub X1) => X17 sub X1) & ( (X17 sub X8 & X8 sub X2) => X17 sub X2) & ( (X17 sub X8 & X8 sub X3) => X17 sub X3) & ( (X17 sub X8 & X8 sub X4) => X17 sub X4) & ( (X17 sub X8 & X8 sub X5) => X17 sub X5) & ( (X17 sub X8 & X8 sub X6) => X17 sub X6) & ( (X17 sub X8 & X8 sub X7) => X17 sub X7) & ( (X17 sub X8 & X8 sub X9) => X17 sub X9) & ( (X17 sub X8 & X8 sub X10) => X17 sub X10) & ( (X17 sub X8 & X8 sub X11) => X17 sub X11) & ( (X17 sub X8 & X8 sub X12) => X17 sub X12) & ( (X17 sub X8 & X8 sub X13) => X17 sub X13) & ( (X17 sub X8 & X8 sub X14) => X17 sub X14) & ( (X17 sub X8 & X8 sub X15) => X17 sub X15) & ( (X17 sub X8 & X8 sub X16) => X17 sub X16) & ( (X17 sub X8 & X8 sub X18) => X17 sub X18) & ( (X17 sub X8 & X8 sub X19) => X17 sub X19) & ( (X17 sub X8 & X8 sub X20) => X17 sub X20) & ( (X17 sub X9 & X9 sub X1) => X17 sub X1) & ( (X17 sub X9 & X9 sub X2) => X17 sub X2) & ( (X17 sub X9 & X9 sub X3) => X17 sub X3) & ( (X17 sub X9 & X9 sub X4) => X17 sub X4) & ( (X17 sub X9 & X9 sub X5) => X17 sub X5) & ( (X17 sub X9 & X9 sub X6) => X17 sub X6) & ( (X17 sub X9 & X9 sub X7) => X17 sub X7) & ( (X17 sub X9 & X9 sub X8) => X17 sub X8) & ( (X17 sub X9 & X9 sub X10) => X17 sub X10) & ( (X17 sub X9 & X9 sub X11) => X17 sub X11) & ( (X17 sub X9 & X9 sub X12) => X17 sub X12) & ( (X17 sub X9 & X9 sub X13) => X17 sub X13) & ( (X17 sub X9 & X9 sub X14) => X17 sub X14) & ( (X17 sub X9 & X9 sub X15) => X17 sub X15) & ( (X17 sub X9 & X9 sub X16) => X17 sub X16) & ( (X17 sub X9 & X9 sub X18) => X17 sub X18) & ( (X17 sub X9 & X9 sub X19) => X17 sub X19) & ( (X17 sub X9 & X9 sub X20) => X17 sub X20) & ( (X17 sub X10 & X10 sub X1) => X17 sub X1) & ( (X17 sub X10 & X10 sub X2) => X17 sub X2) & ( (X17 sub X10 & X10 sub X3) => X17 sub X3) & ( (X17 sub X10 & X10 sub X4) => X17 sub X4) & ( (X17 sub X10 & X10 sub X5) => X17 sub X5) & ( (X17 sub X10 & X10 sub X6) => X17 sub X6) & ( (X17 sub X10 & X10 sub X7) => X17 sub X7) & ( (X17 sub X10 & X10 sub X8) => X17 sub X8) & ( (X17 sub X10 & X10 sub X9) => X17 sub X9) & ( (X17 sub X10 & X10 sub X11) => X17 sub X11) & ( (X17 sub X10 & X10 sub X12) => X17 sub X12) & ( (X17 sub X10 & X10 sub X13) => X17 sub X13) & ( (X17 sub X10 & X10 sub X14) => X17 sub X14) & ( (X17 sub X10 & X10 sub X15) => X17 sub X15) & ( (X17 sub X10 & X10 sub X16) => X17 sub X16) & ( (X17 sub X10 & X10 sub X18) => X17 sub X18) & ( (X17 sub X10 & X10 sub X19) => X17 sub X19) & ( (X17 sub X10 & X10 sub X20) => X17 sub X20) & ( (X17 sub X11 & X11 sub X1) => X17 sub X1) & ( (X17 sub X11 & X11 sub X2) => X17 sub X2) & ( (X17 sub X11 & X11 sub X3) => X17 sub X3) & ( (X17 sub X11 & X11 sub X4) => X17 sub X4) & ( (X17 sub X11 & X11 sub X5) => X17 sub X5) & ( (X17 sub X11 & X11 sub X6) => X17 sub X6) & ( (X17 sub X11 & X11 sub X7) => X17 sub X7) & ( (X17 sub X11 & X11 sub X8) => X17 sub X8) & ( (X17 sub X11 & X11 sub X9) => X17 sub X9) & ( (X17 sub X11 & X11 sub X10) => X17 sub X10) & ( (X17 sub X11 & X11 sub X12) => X17 sub X12) & ( (X17 sub X11 & X11 sub X13) => X17 sub X13) & ( (X17 sub X11 & X11 sub X14) => X17 sub X14) & ( (X17 sub X11 & X11 sub X15) => X17 sub X15) & ( (X17 sub X11 & X11 sub X16) => X17 sub X16) & ( (X17 sub X11 & X11 sub X18) => X17 sub X18) & ( (X17 sub X11 & X11 sub X19) => X17 sub X19) & ( (X17 sub X11 & X11 sub X20) => X17 sub X20) & ( (X17 sub X12 & X12 sub X1) => X17 sub X1) & ( (X17 sub X12 & X12 sub X2) => X17 sub X2) & ( (X17 sub X12 & X12 sub X3) => X17 sub X3) & ( (X17 sub X12 & X12 sub X4) => X17 sub X4) & ( (X17 sub X12 & X12 sub X5) => X17 sub X5) & ( (X17 sub X12 & X12 sub X6) => X17 sub X6) & ( (X17 sub X12 & X12 sub X7) => X17 sub X7) & ( (X17 sub X12 & X12 sub X8) => X17 sub X8) & ( (X17 sub X12 & X12 sub X9) => X17 sub X9) & ( (X17 sub X12 & X12 sub X10) => X17 sub X10) & ( (X17 sub X12 & X12 sub X11) => X17 sub X11) & ( (X17 sub X12 & X12 sub X13) => X17 sub X13) & ( (X17 sub X12 & X12 sub X14) => X17 sub X14) & ( (X17 sub X12 & X12 sub X15) => X17 sub X15) & ( (X17 sub X12 & X12 sub X16) => X17 sub X16) & ( (X17 sub X12 & X12 sub X18) => X17 sub X18) & ( (X17 sub X12 & X12 sub X19) => X17 sub X19) & ( (X17 sub X12 & X12 sub X20) => X17 sub X20) & ( (X17 sub X13 & X13 sub X1) => X17 sub X1) & ( (X17 sub X13 & X13 sub X2) => X17 sub X2) & ( (X17 sub X13 & X13 sub X3) => X17 sub X3) & ( (X17 sub X13 & X13 sub X4) => X17 sub X4) & ( (X17 sub X13 & X13 sub X5) => X17 sub X5) & ( (X17 sub X13 & X13 sub X6) => X17 sub X6) & ( (X17 sub X13 & X13 sub X7) => X17 sub X7) & ( (X17 sub X13 & X13 sub X8) => X17 sub X8) & ( (X17 sub X13 & X13 sub X9) => X17 sub X9) & ( (X17 sub X13 & X13 sub X10) => X17 sub X10) & ( (X17 sub X13 & X13 sub X11) => X17 sub X11) & ( (X17 sub X13 & X13 sub X12) => X17 sub X12) & ( (X17 sub X13 & X13 sub X14) => X17 sub X14) & ( (X17 sub X13 & X13 sub X15) => X17 sub X15) & ( (X17 sub X13 & X13 sub X16) => X17 sub X16) & ( (X17 sub X13 & X13 sub X18) => X17 sub X18) & ( (X17 sub X13 & X13 sub X19) => X17 sub X19) & ( (X17 sub X13 & X13 sub X20) => X17 sub X20) & ( (X17 sub X14 & X14 sub X1) => X17 sub X1) & ( (X17 sub X14 & X14 sub X2) => X17 sub X2) & ( (X17 sub X14 & X14 sub X3) => X17 sub X3) & ( (X17 sub X14 & X14 sub X4) => X17 sub X4) & ( (X17 sub X14 & X14 sub X5) => X17 sub X5) & ( (X17 sub X14 & X14 sub X6) => X17 sub X6) & ( (X17 sub X14 & X14 sub X7) => X17 sub X7) & ( (X17 sub X14 & X14 sub X8) => X17 sub X8) & ( (X17 sub X14 & X14 sub X9) => X17 sub X9) & ( (X17 sub X14 & X14 sub X10) => X17 sub X10) & ( (X17 sub X14 & X14 sub X11) => X17 sub X11) & ( (X17 sub X14 & X14 sub X12) => X17 sub X12) & ( (X17 sub X14 & X14 sub X13) => X17 sub X13) & ( (X17 sub X14 & X14 sub X15) => X17 sub X15) & ( (X17 sub X14 & X14 sub X16) => X17 sub X16) & ( (X17 sub X14 & X14 sub X18) => X17 sub X18) & ( (X17 sub X14 & X14 sub X19) => X17 sub X19) & ( (X17 sub X14 & X14 sub X20) => X17 sub X20) & ( (X17 sub X15 & X15 sub X1) => X17 sub X1) & ( (X17 sub X15 & X15 sub X2) => X17 sub X2) & ( (X17 sub X15 & X15 sub X3) => X17 sub X3) & ( (X17 sub X15 & X15 sub X4) => X17 sub X4) & ( (X17 sub X15 & X15 sub X5) => X17 sub X5) & ( (X17 sub X15 & X15 sub X6) => X17 sub X6) & ( (X17 sub X15 & X15 sub X7) => X17 sub X7) & ( (X17 sub X15 & X15 sub X8) => X17 sub X8) & ( (X17 sub X15 & X15 sub X9) => X17 sub X9) & ( (X17 sub X15 & X15 sub X10) => X17 sub X10) & ( (X17 sub X15 & X15 sub X11) => X17 sub X11) & ( (X17 sub X15 & X15 sub X12) => X17 sub X12) & ( (X17 sub X15 & X15 sub X13) => X17 sub X13) & ( (X17 sub X15 & X15 sub X14) => X17 sub X14) & ( (X17 sub X15 & X15 sub X16) => X17 sub X16) & ( (X17 sub X15 & X15 sub X18) => X17 sub X18) & ( (X17 sub X15 & X15 sub X19) => X17 sub X19) & ( (X17 sub X15 & X15 sub X20) => X17 sub X20) & ( (X17 sub X16 & X16 sub X1) => X17 sub X1) & ( (X17 sub X16 & X16 sub X2) => X17 sub X2) & ( (X17 sub X16 & X16 sub X3) => X17 sub X3) & ( (X17 sub X16 & X16 sub X4) => X17 sub X4) & ( (X17 sub X16 & X16 sub X5) => X17 sub X5) & ( (X17 sub X16 & X16 sub X6) => X17 sub X6) & ( (X17 sub X16 & X16 sub X7) => X17 sub X7) & ( (X17 sub X16 & X16 sub X8) => X17 sub X8) & ( (X17 sub X16 & X16 sub X9) => X17 sub X9) & ( (X17 sub X16 & X16 sub X10) => X17 sub X10) & ( (X17 sub X16 & X16 sub X11) => X17 sub X11) & ( (X17 sub X16 & X16 sub X12) => X17 sub X12) & ( (X17 sub X16 & X16 sub X13) => X17 sub X13) & ( (X17 sub X16 & X16 sub X14) => X17 sub X14) & ( (X17 sub X16 & X16 sub X15) => X17 sub X15) & ( (X17 sub X16 & X16 sub X18) => X17 sub X18) & ( (X17 sub X16 & X16 sub X19) => X17 sub X19) & ( (X17 sub X16 & X16 sub X20) => X17 sub X20) & ( (X17 sub X18 & X18 sub X1) => X17 sub X1) & ( (X17 sub X18 & X18 sub X2) => X17 sub X2) & ( (X17 sub X18 & X18 sub X3) => X17 sub X3) & ( (X17 sub X18 & X18 sub X4) => X17 sub X4) & ( (X17 sub X18 & X18 sub X5) => X17 sub X5) & ( (X17 sub X18 & X18 sub X6) => X17 sub X6) & ( (X17 sub X18 & X18 sub X7) => X17 sub X7) & ( (X17 sub X18 & X18 sub X8) => X17 sub X8) & ( (X17 sub X18 & X18 sub X9) => X17 sub X9) & ( (X17 sub X18 & X18 sub X10) => X17 sub X10) & ( (X17 sub X18 & X18 sub X11) => X17 sub X11) & ( (X17 sub X18 & X18 sub X12) => X17 sub X12) & ( (X17 sub X18 & X18 sub X13) => X17 sub X13) & ( (X17 sub X18 & X18 sub X14) => X17 sub X14) & ( (X17 sub X18 & X18 sub X15) => X17 sub X15) & ( (X17 sub X18 & X18 sub X16) => X17 sub X16) & ( (X17 sub X18 & X18 sub X19) => X17 sub X19) & ( (X17 sub X18 & X18 sub X20) => X17 sub X20) & ( (X17 sub X19 & X19 sub X1) => X17 sub X1) & ( (X17 sub X19 & X19 sub X2) => X17 sub X2) & ( (X17 sub X19 & X19 sub X3) => X17 sub X3) & ( (X17 sub X19 & X19 sub X4) => X17 sub X4) & ( (X17 sub X19 & X19 sub X5) => X17 sub X5) & ( (X17 sub X19 & X19 sub X6) => X17 sub X6) & ( (X17 sub X19 & X19 sub X7) => X17 sub X7) & ( (X17 sub X19 & X19 sub X8) => X17 sub X8) & ( (X17 sub X19 & X19 sub X9) => X17 sub X9) & ( (X17 sub X19 & X19 sub X10) => X17 sub X10) & ( (X17 sub X19 & X19 sub X11) => X17 sub X11) & ( (X17 sub X19 & X19 sub X12) => X17 sub X12) & ( (X17 sub X19 & X19 sub X13) => X17 sub X13) & ( (X17 sub X19 & X19 sub X14) => X17 sub X14) & ( (X17 sub X19 & X19 sub X15) => X17 sub X15) & ( (X17 sub X19 & X19 sub X16) => X17 sub X16) & ( (X17 sub X19 & X19 sub X18) => X17 sub X18) & ( (X17 sub X19 & X19 sub X20) => X17 sub X20) & ( (X17 sub X20 & X20 sub X1) => X17 sub X1) & ( (X17 sub X20 & X20 sub X2) => X17 sub X2) & ( (X17 sub X20 & X20 sub X3) => X17 sub X3) & ( (X17 sub X20 & X20 sub X4) => X17 sub X4) & ( (X17 sub X20 & X20 sub X5) => X17 sub X5) & ( (X17 sub X20 & X20 sub X6) => X17 sub X6) & ( (X17 sub X20 & X20 sub X7) => X17 sub X7) & ( (X17 sub X20 & X20 sub X8) => X17 sub X8) & ( (X17 sub X20 & X20 sub X9) => X17 sub X9) & ( (X17 sub X20 & X20 sub X10) => X17 sub X10) & ( (X17 sub X20 & X20 sub X11) => X17 sub X11) & ( (X17 sub X20 & X20 sub X12) => X17 sub X12) & ( (X17 sub X20 & X20 sub X13) => X17 sub X13) & ( (X17 sub X20 & X20 sub X14) => X17 sub X14) & ( (X17 sub X20 & X20 sub X15) => X17 sub X15) & ( (X17 sub X20 & X20 sub X16) => X17 sub X16) & ( (X17 sub X20 & X20 sub X18) => X17 sub X18) & ( (X17 sub X20 & X20 sub X19) => X17 sub X19) & ( (X18 sub X1 & X1 sub X2) => X18 sub X2) & ( (X18 sub X1 & X1 sub X3) => X18 sub X3) & ( (X18 sub X1 & X1 sub X4) => X18 sub X4) & ( (X18 sub X1 & X1 sub X5) => X18 sub X5) & ( (X18 sub X1 & X1 sub X6) => X18 sub X6) & ( (X18 sub X1 & X1 sub X7) => X18 sub X7) & ( (X18 sub X1 & X1 sub X8) => X18 sub X8) & ( (X18 sub X1 & X1 sub X9) => X18 sub X9) & ( (X18 sub X1 & X1 sub X10) => X18 sub X10) & ( (X18 sub X1 & X1 sub X11) => X18 sub X11) & ( (X18 sub X1 & X1 sub X12) => X18 sub X12) & ( (X18 sub X1 & X1 sub X13) => X18 sub X13) & ( (X18 sub X1 & X1 sub X14) => X18 sub X14) & ( (X18 sub X1 & X1 sub X15) => X18 sub X15) & ( (X18 sub X1 & X1 sub X16) => X18 sub X16) & ( (X18 sub X1 & X1 sub X17) => X18 sub X17) & ( (X18 sub X1 & X1 sub X19) => X18 sub X19) & ( (X18 sub X1 & X1 sub X20) => X18 sub X20) & ( (X18 sub X2 & X2 sub X1) => X18 sub X1) & ( (X18 sub X2 & X2 sub X3) => X18 sub X3) & ( (X18 sub X2 & X2 sub X4) => X18 sub X4) & ( (X18 sub X2 & X2 sub X5) => X18 sub X5) & ( (X18 sub X2 & X2 sub X6) => X18 sub X6) & ( (X18 sub X2 & X2 sub X7) => X18 sub X7) & ( (X18 sub X2 & X2 sub X8) => X18 sub X8) & ( (X18 sub X2 & X2 sub X9) => X18 sub X9) & ( (X18 sub X2 & X2 sub X10) => X18 sub X10) & ( (X18 sub X2 & X2 sub X11) => X18 sub X11) & ( (X18 sub X2 & X2 sub X12) => X18 sub X12) & ( (X18 sub X2 & X2 sub X13) => X18 sub X13) & ( (X18 sub X2 & X2 sub X14) => X18 sub X14) & ( (X18 sub X2 & X2 sub X15) => X18 sub X15) & ( (X18 sub X2 & X2 sub X16) => X18 sub X16) & ( (X18 sub X2 & X2 sub X17) => X18 sub X17) & ( (X18 sub X2 & X2 sub X19) => X18 sub X19) & ( (X18 sub X2 & X2 sub X20) => X18 sub X20) & ( (X18 sub X3 & X3 sub X1) => X18 sub X1) & ( (X18 sub X3 & X3 sub X2) => X18 sub X2) & ( (X18 sub X3 & X3 sub X4) => X18 sub X4) & ( (X18 sub X3 & X3 sub X5) => X18 sub X5) & ( (X18 sub X3 & X3 sub X6) => X18 sub X6) & ( (X18 sub X3 & X3 sub X7) => X18 sub X7) & ( (X18 sub X3 & X3 sub X8) => X18 sub X8) & ( (X18 sub X3 & X3 sub X9) => X18 sub X9) & ( (X18 sub X3 & X3 sub X10) => X18 sub X10) & ( (X18 sub X3 & X3 sub X11) => X18 sub X11) & ( (X18 sub X3 & X3 sub X12) => X18 sub X12) & ( (X18 sub X3 & X3 sub X13) => X18 sub X13) & ( (X18 sub X3 & X3 sub X14) => X18 sub X14) & ( (X18 sub X3 & X3 sub X15) => X18 sub X15) & ( (X18 sub X3 & X3 sub X16) => X18 sub X16) & ( (X18 sub X3 & X3 sub X17) => X18 sub X17) & ( (X18 sub X3 & X3 sub X19) => X18 sub X19) & ( (X18 sub X3 & X3 sub X20) => X18 sub X20) & ( (X18 sub X4 & X4 sub X1) => X18 sub X1) & ( (X18 sub X4 & X4 sub X2) => X18 sub X2) & ( (X18 sub X4 & X4 sub X3) => X18 sub X3) & ( (X18 sub X4 & X4 sub X5) => X18 sub X5) & ( (X18 sub X4 & X4 sub X6) => X18 sub X6) & ( (X18 sub X4 & X4 sub X7) => X18 sub X7) & ( (X18 sub X4 & X4 sub X8) => X18 sub X8) & ( (X18 sub X4 & X4 sub X9) => X18 sub X9) & ( (X18 sub X4 & X4 sub X10) => X18 sub X10) & ( (X18 sub X4 & X4 sub X11) => X18 sub X11) & ( (X18 sub X4 & X4 sub X12) => X18 sub X12) & ( (X18 sub X4 & X4 sub X13) => X18 sub X13) & ( (X18 sub X4 & X4 sub X14) => X18 sub X14) & ( (X18 sub X4 & X4 sub X15) => X18 sub X15) & ( (X18 sub X4 & X4 sub X16) => X18 sub X16) & ( (X18 sub X4 & X4 sub X17) => X18 sub X17) & ( (X18 sub X4 & X4 sub X19) => X18 sub X19) & ( (X18 sub X4 & X4 sub X20) => X18 sub X20) & ( (X18 sub X5 & X5 sub X1) => X18 sub X1) & ( (X18 sub X5 & X5 sub X2) => X18 sub X2) & ( (X18 sub X5 & X5 sub X3) => X18 sub X3) & ( (X18 sub X5 & X5 sub X4) => X18 sub X4) & ( (X18 sub X5 & X5 sub X6) => X18 sub X6) & ( (X18 sub X5 & X5 sub X7) => X18 sub X7) & ( (X18 sub X5 & X5 sub X8) => X18 sub X8) & ( (X18 sub X5 & X5 sub X9) => X18 sub X9) & ( (X18 sub X5 & X5 sub X10) => X18 sub X10) & ( (X18 sub X5 & X5 sub X11) => X18 sub X11) & ( (X18 sub X5 & X5 sub X12) => X18 sub X12) & ( (X18 sub X5 & X5 sub X13) => X18 sub X13) & ( (X18 sub X5 & X5 sub X14) => X18 sub X14) & ( (X18 sub X5 & X5 sub X15) => X18 sub X15) & ( (X18 sub X5 & X5 sub X16) => X18 sub X16) & ( (X18 sub X5 & X5 sub X17) => X18 sub X17) & ( (X18 sub X5 & X5 sub X19) => X18 sub X19) & ( (X18 sub X5 & X5 sub X20) => X18 sub X20) & ( (X18 sub X6 & X6 sub X1) => X18 sub X1) & ( (X18 sub X6 & X6 sub X2) => X18 sub X2) & ( (X18 sub X6 & X6 sub X3) => X18 sub X3) & ( (X18 sub X6 & X6 sub X4) => X18 sub X4) & ( (X18 sub X6 & X6 sub X5) => X18 sub X5) & ( (X18 sub X6 & X6 sub X7) => X18 sub X7) & ( (X18 sub X6 & X6 sub X8) => X18 sub X8) & ( (X18 sub X6 & X6 sub X9) => X18 sub X9) & ( (X18 sub X6 & X6 sub X10) => X18 sub X10) & ( (X18 sub X6 & X6 sub X11) => X18 sub X11) & ( (X18 sub X6 & X6 sub X12) => X18 sub X12) & ( (X18 sub X6 & X6 sub X13) => X18 sub X13) & ( (X18 sub X6 & X6 sub X14) => X18 sub X14) & ( (X18 sub X6 & X6 sub X15) => X18 sub X15) & ( (X18 sub X6 & X6 sub X16) => X18 sub X16) & ( (X18 sub X6 & X6 sub X17) => X18 sub X17) & ( (X18 sub X6 & X6 sub X19) => X18 sub X19) & ( (X18 sub X6 & X6 sub X20) => X18 sub X20) & ( (X18 sub X7 & X7 sub X1) => X18 sub X1) & ( (X18 sub X7 & X7 sub X2) => X18 sub X2) & ( (X18 sub X7 & X7 sub X3) => X18 sub X3) & ( (X18 sub X7 & X7 sub X4) => X18 sub X4) & ( (X18 sub X7 & X7 sub X5) => X18 sub X5) & ( (X18 sub X7 & X7 sub X6) => X18 sub X6) & ( (X18 sub X7 & X7 sub X8) => X18 sub X8) & ( (X18 sub X7 & X7 sub X9) => X18 sub X9) & ( (X18 sub X7 & X7 sub X10) => X18 sub X10) & ( (X18 sub X7 & X7 sub X11) => X18 sub X11) & ( (X18 sub X7 & X7 sub X12) => X18 sub X12) & ( (X18 sub X7 & X7 sub X13) => X18 sub X13) & ( (X18 sub X7 & X7 sub X14) => X18 sub X14) & ( (X18 sub X7 & X7 sub X15) => X18 sub X15) & ( (X18 sub X7 & X7 sub X16) => X18 sub X16) & ( (X18 sub X7 & X7 sub X17) => X18 sub X17) & ( (X18 sub X7 & X7 sub X19) => X18 sub X19) & ( (X18 sub X7 & X7 sub X20) => X18 sub X20) & ( (X18 sub X8 & X8 sub X1) => X18 sub X1) & ( (X18 sub X8 & X8 sub X2) => X18 sub X2) & ( (X18 sub X8 & X8 sub X3) => X18 sub X3) & ( (X18 sub X8 & X8 sub X4) => X18 sub X4) & ( (X18 sub X8 & X8 sub X5) => X18 sub X5) & ( (X18 sub X8 & X8 sub X6) => X18 sub X6) & ( (X18 sub X8 & X8 sub X7) => X18 sub X7) & ( (X18 sub X8 & X8 sub X9) => X18 sub X9) & ( (X18 sub X8 & X8 sub X10) => X18 sub X10) & ( (X18 sub X8 & X8 sub X11) => X18 sub X11) & ( (X18 sub X8 & X8 sub X12) => X18 sub X12) & ( (X18 sub X8 & X8 sub X13) => X18 sub X13) & ( (X18 sub X8 & X8 sub X14) => X18 sub X14) & ( (X18 sub X8 & X8 sub X15) => X18 sub X15) & ( (X18 sub X8 & X8 sub X16) => X18 sub X16) & ( (X18 sub X8 & X8 sub X17) => X18 sub X17) & ( (X18 sub X8 & X8 sub X19) => X18 sub X19) & ( (X18 sub X8 & X8 sub X20) => X18 sub X20) & ( (X18 sub X9 & X9 sub X1) => X18 sub X1) & ( (X18 sub X9 & X9 sub X2) => X18 sub X2) & ( (X18 sub X9 & X9 sub X3) => X18 sub X3) & ( (X18 sub X9 & X9 sub X4) => X18 sub X4) & ( (X18 sub X9 & X9 sub X5) => X18 sub X5) & ( (X18 sub X9 & X9 sub X6) => X18 sub X6) & ( (X18 sub X9 & X9 sub X7) => X18 sub X7) & ( (X18 sub X9 & X9 sub X8) => X18 sub X8) & ( (X18 sub X9 & X9 sub X10) => X18 sub X10) & ( (X18 sub X9 & X9 sub X11) => X18 sub X11) & ( (X18 sub X9 & X9 sub X12) => X18 sub X12) & ( (X18 sub X9 & X9 sub X13) => X18 sub X13) & ( (X18 sub X9 & X9 sub X14) => X18 sub X14) & ( (X18 sub X9 & X9 sub X15) => X18 sub X15) & ( (X18 sub X9 & X9 sub X16) => X18 sub X16) & ( (X18 sub X9 & X9 sub X17) => X18 sub X17) & ( (X18 sub X9 & X9 sub X19) => X18 sub X19) & ( (X18 sub X9 & X9 sub X20) => X18 sub X20) & ( (X18 sub X10 & X10 sub X1) => X18 sub X1) & ( (X18 sub X10 & X10 sub X2) => X18 sub X2) & ( (X18 sub X10 & X10 sub X3) => X18 sub X3) & ( (X18 sub X10 & X10 sub X4) => X18 sub X4) & ( (X18 sub X10 & X10 sub X5) => X18 sub X5) & ( (X18 sub X10 & X10 sub X6) => X18 sub X6) & ( (X18 sub X10 & X10 sub X7) => X18 sub X7) & ( (X18 sub X10 & X10 sub X8) => X18 sub X8) & ( (X18 sub X10 & X10 sub X9) => X18 sub X9) & ( (X18 sub X10 & X10 sub X11) => X18 sub X11) & ( (X18 sub X10 & X10 sub X12) => X18 sub X12) & ( (X18 sub X10 & X10 sub X13) => X18 sub X13) & ( (X18 sub X10 & X10 sub X14) => X18 sub X14) & ( (X18 sub X10 & X10 sub X15) => X18 sub X15) & ( (X18 sub X10 & X10 sub X16) => X18 sub X16) & ( (X18 sub X10 & X10 sub X17) => X18 sub X17) & ( (X18 sub X10 & X10 sub X19) => X18 sub X19) & ( (X18 sub X10 & X10 sub X20) => X18 sub X20) & ( (X18 sub X11 & X11 sub X1) => X18 sub X1) & ( (X18 sub X11 & X11 sub X2) => X18 sub X2) & ( (X18 sub X11 & X11 sub X3) => X18 sub X3) & ( (X18 sub X11 & X11 sub X4) => X18 sub X4) & ( (X18 sub X11 & X11 sub X5) => X18 sub X5) & ( (X18 sub X11 & X11 sub X6) => X18 sub X6) & ( (X18 sub X11 & X11 sub X7) => X18 sub X7) & ( (X18 sub X11 & X11 sub X8) => X18 sub X8) & ( (X18 sub X11 & X11 sub X9) => X18 sub X9) & ( (X18 sub X11 & X11 sub X10) => X18 sub X10) & ( (X18 sub X11 & X11 sub X12) => X18 sub X12) & ( (X18 sub X11 & X11 sub X13) => X18 sub X13) & ( (X18 sub X11 & X11 sub X14) => X18 sub X14) & ( (X18 sub X11 & X11 sub X15) => X18 sub X15) & ( (X18 sub X11 & X11 sub X16) => X18 sub X16) & ( (X18 sub X11 & X11 sub X17) => X18 sub X17) & ( (X18 sub X11 & X11 sub X19) => X18 sub X19) & ( (X18 sub X11 & X11 sub X20) => X18 sub X20) & ( (X18 sub X12 & X12 sub X1) => X18 sub X1) & ( (X18 sub X12 & X12 sub X2) => X18 sub X2) & ( (X18 sub X12 & X12 sub X3) => X18 sub X3) & ( (X18 sub X12 & X12 sub X4) => X18 sub X4) & ( (X18 sub X12 & X12 sub X5) => X18 sub X5) & ( (X18 sub X12 & X12 sub X6) => X18 sub X6) & ( (X18 sub X12 & X12 sub X7) => X18 sub X7) & ( (X18 sub X12 & X12 sub X8) => X18 sub X8) & ( (X18 sub X12 & X12 sub X9) => X18 sub X9) & ( (X18 sub X12 & X12 sub X10) => X18 sub X10) & ( (X18 sub X12 & X12 sub X11) => X18 sub X11) & ( (X18 sub X12 & X12 sub X13) => X18 sub X13) & ( (X18 sub X12 & X12 sub X14) => X18 sub X14) & ( (X18 sub X12 & X12 sub X15) => X18 sub X15) & ( (X18 sub X12 & X12 sub X16) => X18 sub X16) & ( (X18 sub X12 & X12 sub X17) => X18 sub X17) & ( (X18 sub X12 & X12 sub X19) => X18 sub X19) & ( (X18 sub X12 & X12 sub X20) => X18 sub X20) & ( (X18 sub X13 & X13 sub X1) => X18 sub X1) & ( (X18 sub X13 & X13 sub X2) => X18 sub X2) & ( (X18 sub X13 & X13 sub X3) => X18 sub X3) & ( (X18 sub X13 & X13 sub X4) => X18 sub X4) & ( (X18 sub X13 & X13 sub X5) => X18 sub X5) & ( (X18 sub X13 & X13 sub X6) => X18 sub X6) & ( (X18 sub X13 & X13 sub X7) => X18 sub X7) & ( (X18 sub X13 & X13 sub X8) => X18 sub X8) & ( (X18 sub X13 & X13 sub X9) => X18 sub X9) & ( (X18 sub X13 & X13 sub X10) => X18 sub X10) & ( (X18 sub X13 & X13 sub X11) => X18 sub X11) & ( (X18 sub X13 & X13 sub X12) => X18 sub X12) & ( (X18 sub X13 & X13 sub X14) => X18 sub X14) & ( (X18 sub X13 & X13 sub X15) => X18 sub X15) & ( (X18 sub X13 & X13 sub X16) => X18 sub X16) & ( (X18 sub X13 & X13 sub X17) => X18 sub X17) & ( (X18 sub X13 & X13 sub X19) => X18 sub X19) & ( (X18 sub X13 & X13 sub X20) => X18 sub X20) & ( (X18 sub X14 & X14 sub X1) => X18 sub X1) & ( (X18 sub X14 & X14 sub X2) => X18 sub X2) & ( (X18 sub X14 & X14 sub X3) => X18 sub X3) & ( (X18 sub X14 & X14 sub X4) => X18 sub X4) & ( (X18 sub X14 & X14 sub X5) => X18 sub X5) & ( (X18 sub X14 & X14 sub X6) => X18 sub X6) & ( (X18 sub X14 & X14 sub X7) => X18 sub X7) & ( (X18 sub X14 & X14 sub X8) => X18 sub X8) & ( (X18 sub X14 & X14 sub X9) => X18 sub X9) & ( (X18 sub X14 & X14 sub X10) => X18 sub X10) & ( (X18 sub X14 & X14 sub X11) => X18 sub X11) & ( (X18 sub X14 & X14 sub X12) => X18 sub X12) & ( (X18 sub X14 & X14 sub X13) => X18 sub X13) & ( (X18 sub X14 & X14 sub X15) => X18 sub X15) & ( (X18 sub X14 & X14 sub X16) => X18 sub X16) & ( (X18 sub X14 & X14 sub X17) => X18 sub X17) & ( (X18 sub X14 & X14 sub X19) => X18 sub X19) & ( (X18 sub X14 & X14 sub X20) => X18 sub X20) & ( (X18 sub X15 & X15 sub X1) => X18 sub X1) & ( (X18 sub X15 & X15 sub X2) => X18 sub X2) & ( (X18 sub X15 & X15 sub X3) => X18 sub X3) & ( (X18 sub X15 & X15 sub X4) => X18 sub X4) & ( (X18 sub X15 & X15 sub X5) => X18 sub X5) & ( (X18 sub X15 & X15 sub X6) => X18 sub X6) & ( (X18 sub X15 & X15 sub X7) => X18 sub X7) & ( (X18 sub X15 & X15 sub X8) => X18 sub X8) & ( (X18 sub X15 & X15 sub X9) => X18 sub X9) & ( (X18 sub X15 & X15 sub X10) => X18 sub X10) & ( (X18 sub X15 & X15 sub X11) => X18 sub X11) & ( (X18 sub X15 & X15 sub X12) => X18 sub X12) & ( (X18 sub X15 & X15 sub X13) => X18 sub X13) & ( (X18 sub X15 & X15 sub X14) => X18 sub X14) & ( (X18 sub X15 & X15 sub X16) => X18 sub X16) & ( (X18 sub X15 & X15 sub X17) => X18 sub X17) & ( (X18 sub X15 & X15 sub X19) => X18 sub X19) & ( (X18 sub X15 & X15 sub X20) => X18 sub X20) & ( (X18 sub X16 & X16 sub X1) => X18 sub X1) & ( (X18 sub X16 & X16 sub X2) => X18 sub X2) & ( (X18 sub X16 & X16 sub X3) => X18 sub X3) & ( (X18 sub X16 & X16 sub X4) => X18 sub X4) & ( (X18 sub X16 & X16 sub X5) => X18 sub X5) & ( (X18 sub X16 & X16 sub X6) => X18 sub X6) & ( (X18 sub X16 & X16 sub X7) => X18 sub X7) & ( (X18 sub X16 & X16 sub X8) => X18 sub X8) & ( (X18 sub X16 & X16 sub X9) => X18 sub X9) & ( (X18 sub X16 & X16 sub X10) => X18 sub X10) & ( (X18 sub X16 & X16 sub X11) => X18 sub X11) & ( (X18 sub X16 & X16 sub X12) => X18 sub X12) & ( (X18 sub X16 & X16 sub X13) => X18 sub X13) & ( (X18 sub X16 & X16 sub X14) => X18 sub X14) & ( (X18 sub X16 & X16 sub X15) => X18 sub X15) & ( (X18 sub X16 & X16 sub X17) => X18 sub X17) & ( (X18 sub X16 & X16 sub X19) => X18 sub X19) & ( (X18 sub X16 & X16 sub X20) => X18 sub X20) & ( (X18 sub X17 & X17 sub X1) => X18 sub X1) & ( (X18 sub X17 & X17 sub X2) => X18 sub X2) & ( (X18 sub X17 & X17 sub X3) => X18 sub X3) & ( (X18 sub X17 & X17 sub X4) => X18 sub X4) & ( (X18 sub X17 & X17 sub X5) => X18 sub X5) & ( (X18 sub X17 & X17 sub X6) => X18 sub X6) & ( (X18 sub X17 & X17 sub X7) => X18 sub X7) & ( (X18 sub X17 & X17 sub X8) => X18 sub X8) & ( (X18 sub X17 & X17 sub X9) => X18 sub X9) & ( (X18 sub X17 & X17 sub X10) => X18 sub X10) & ( (X18 sub X17 & X17 sub X11) => X18 sub X11) & ( (X18 sub X17 & X17 sub X12) => X18 sub X12) & ( (X18 sub X17 & X17 sub X13) => X18 sub X13) & ( (X18 sub X17 & X17 sub X14) => X18 sub X14) & ( (X18 sub X17 & X17 sub X15) => X18 sub X15) & ( (X18 sub X17 & X17 sub X16) => X18 sub X16) & ( (X18 sub X17 & X17 sub X19) => X18 sub X19) & ( (X18 sub X17 & X17 sub X20) => X18 sub X20) & ( (X18 sub X19 & X19 sub X1) => X18 sub X1) & ( (X18 sub X19 & X19 sub X2) => X18 sub X2) & ( (X18 sub X19 & X19 sub X3) => X18 sub X3) & ( (X18 sub X19 & X19 sub X4) => X18 sub X4) & ( (X18 sub X19 & X19 sub X5) => X18 sub X5) & ( (X18 sub X19 & X19 sub X6) => X18 sub X6) & ( (X18 sub X19 & X19 sub X7) => X18 sub X7) & ( (X18 sub X19 & X19 sub X8) => X18 sub X8) & ( (X18 sub X19 & X19 sub X9) => X18 sub X9) & ( (X18 sub X19 & X19 sub X10) => X18 sub X10) & ( (X18 sub X19 & X19 sub X11) => X18 sub X11) & ( (X18 sub X19 & X19 sub X12) => X18 sub X12) & ( (X18 sub X19 & X19 sub X13) => X18 sub X13) & ( (X18 sub X19 & X19 sub X14) => X18 sub X14) & ( (X18 sub X19 & X19 sub X15) => X18 sub X15) & ( (X18 sub X19 & X19 sub X16) => X18 sub X16) & ( (X18 sub X19 & X19 sub X17) => X18 sub X17) & ( (X18 sub X19 & X19 sub X20) => X18 sub X20) & ( (X18 sub X20 & X20 sub X1) => X18 sub X1) & ( (X18 sub X20 & X20 sub X2) => X18 sub X2) & ( (X18 sub X20 & X20 sub X3) => X18 sub X3) & ( (X18 sub X20 & X20 sub X4) => X18 sub X4) & ( (X18 sub X20 & X20 sub X5) => X18 sub X5) & ( (X18 sub X20 & X20 sub X6) => X18 sub X6) & ( (X18 sub X20 & X20 sub X7) => X18 sub X7) & ( (X18 sub X20 & X20 sub X8) => X18 sub X8) & ( (X18 sub X20 & X20 sub X9) => X18 sub X9) & ( (X18 sub X20 & X20 sub X10) => X18 sub X10) & ( (X18 sub X20 & X20 sub X11) => X18 sub X11) & ( (X18 sub X20 & X20 sub X12) => X18 sub X12) & ( (X18 sub X20 & X20 sub X13) => X18 sub X13) & ( (X18 sub X20 & X20 sub X14) => X18 sub X14) & ( (X18 sub X20 & X20 sub X15) => X18 sub X15) & ( (X18 sub X20 & X20 sub X16) => X18 sub X16) & ( (X18 sub X20 & X20 sub X17) => X18 sub X17) & ( (X18 sub X20 & X20 sub X19) => X18 sub X19) & ( (X19 sub X1 & X1 sub X2) => X19 sub X2) & ( (X19 sub X1 & X1 sub X3) => X19 sub X3) & ( (X19 sub X1 & X1 sub X4) => X19 sub X4) & ( (X19 sub X1 & X1 sub X5) => X19 sub X5) & ( (X19 sub X1 & X1 sub X6) => X19 sub X6) & ( (X19 sub X1 & X1 sub X7) => X19 sub X7) & ( (X19 sub X1 & X1 sub X8) => X19 sub X8) & ( (X19 sub X1 & X1 sub X9) => X19 sub X9) & ( (X19 sub X1 & X1 sub X10) => X19 sub X10) & ( (X19 sub X1 & X1 sub X11) => X19 sub X11) & ( (X19 sub X1 & X1 sub X12) => X19 sub X12) & ( (X19 sub X1 & X1 sub X13) => X19 sub X13) & ( (X19 sub X1 & X1 sub X14) => X19 sub X14) & ( (X19 sub X1 & X1 sub X15) => X19 sub X15) & ( (X19 sub X1 & X1 sub X16) => X19 sub X16) & ( (X19 sub X1 & X1 sub X17) => X19 sub X17) & ( (X19 sub X1 & X1 sub X18) => X19 sub X18) & ( (X19 sub X1 & X1 sub X20) => X19 sub X20) & ( (X19 sub X2 & X2 sub X1) => X19 sub X1) & ( (X19 sub X2 & X2 sub X3) => X19 sub X3) & ( (X19 sub X2 & X2 sub X4) => X19 sub X4) & ( (X19 sub X2 & X2 sub X5) => X19 sub X5) & ( (X19 sub X2 & X2 sub X6) => X19 sub X6) & ( (X19 sub X2 & X2 sub X7) => X19 sub X7) & ( (X19 sub X2 & X2 sub X8) => X19 sub X8) & ( (X19 sub X2 & X2 sub X9) => X19 sub X9) & ( (X19 sub X2 & X2 sub X10) => X19 sub X10) & ( (X19 sub X2 & X2 sub X11) => X19 sub X11) & ( (X19 sub X2 & X2 sub X12) => X19 sub X12) & ( (X19 sub X2 & X2 sub X13) => X19 sub X13) & ( (X19 sub X2 & X2 sub X14) => X19 sub X14) & ( (X19 sub X2 & X2 sub X15) => X19 sub X15) & ( (X19 sub X2 & X2 sub X16) => X19 sub X16) & ( (X19 sub X2 & X2 sub X17) => X19 sub X17) & ( (X19 sub X2 & X2 sub X18) => X19 sub X18) & ( (X19 sub X2 & X2 sub X20) => X19 sub X20) & ( (X19 sub X3 & X3 sub X1) => X19 sub X1) & ( (X19 sub X3 & X3 sub X2) => X19 sub X2) & ( (X19 sub X3 & X3 sub X4) => X19 sub X4) & ( (X19 sub X3 & X3 sub X5) => X19 sub X5) & ( (X19 sub X3 & X3 sub X6) => X19 sub X6) & ( (X19 sub X3 & X3 sub X7) => X19 sub X7) & ( (X19 sub X3 & X3 sub X8) => X19 sub X8) & ( (X19 sub X3 & X3 sub X9) => X19 sub X9) & ( (X19 sub X3 & X3 sub X10) => X19 sub X10) & ( (X19 sub X3 & X3 sub X11) => X19 sub X11) & ( (X19 sub X3 & X3 sub X12) => X19 sub X12) & ( (X19 sub X3 & X3 sub X13) => X19 sub X13) & ( (X19 sub X3 & X3 sub X14) => X19 sub X14) & ( (X19 sub X3 & X3 sub X15) => X19 sub X15) & ( (X19 sub X3 & X3 sub X16) => X19 sub X16) & ( (X19 sub X3 & X3 sub X17) => X19 sub X17) & ( (X19 sub X3 & X3 sub X18) => X19 sub X18) & ( (X19 sub X3 & X3 sub X20) => X19 sub X20) & ( (X19 sub X4 & X4 sub X1) => X19 sub X1) & ( (X19 sub X4 & X4 sub X2) => X19 sub X2) & ( (X19 sub X4 & X4 sub X3) => X19 sub X3) & ( (X19 sub X4 & X4 sub X5) => X19 sub X5) & ( (X19 sub X4 & X4 sub X6) => X19 sub X6) & ( (X19 sub X4 & X4 sub X7) => X19 sub X7) & ( (X19 sub X4 & X4 sub X8) => X19 sub X8) & ( (X19 sub X4 & X4 sub X9) => X19 sub X9) & ( (X19 sub X4 & X4 sub X10) => X19 sub X10) & ( (X19 sub X4 & X4 sub X11) => X19 sub X11) & ( (X19 sub X4 & X4 sub X12) => X19 sub X12) & ( (X19 sub X4 & X4 sub X13) => X19 sub X13) & ( (X19 sub X4 & X4 sub X14) => X19 sub X14) & ( (X19 sub X4 & X4 sub X15) => X19 sub X15) & ( (X19 sub X4 & X4 sub X16) => X19 sub X16) & ( (X19 sub X4 & X4 sub X17) => X19 sub X17) & ( (X19 sub X4 & X4 sub X18) => X19 sub X18) & ( (X19 sub X4 & X4 sub X20) => X19 sub X20) & ( (X19 sub X5 & X5 sub X1) => X19 sub X1) & ( (X19 sub X5 & X5 sub X2) => X19 sub X2) & ( (X19 sub X5 & X5 sub X3) => X19 sub X3) & ( (X19 sub X5 & X5 sub X4) => X19 sub X4) & ( (X19 sub X5 & X5 sub X6) => X19 sub X6) & ( (X19 sub X5 & X5 sub X7) => X19 sub X7) & ( (X19 sub X5 & X5 sub X8) => X19 sub X8) & ( (X19 sub X5 & X5 sub X9) => X19 sub X9) & ( (X19 sub X5 & X5 sub X10) => X19 sub X10) & ( (X19 sub X5 & X5 sub X11) => X19 sub X11) & ( (X19 sub X5 & X5 sub X12) => X19 sub X12) & ( (X19 sub X5 & X5 sub X13) => X19 sub X13) & ( (X19 sub X5 & X5 sub X14) => X19 sub X14) & ( (X19 sub X5 & X5 sub X15) => X19 sub X15) & ( (X19 sub X5 & X5 sub X16) => X19 sub X16) & ( (X19 sub X5 & X5 sub X17) => X19 sub X17) & ( (X19 sub X5 & X5 sub X18) => X19 sub X18) & ( (X19 sub X5 & X5 sub X20) => X19 sub X20) & ( (X19 sub X6 & X6 sub X1) => X19 sub X1) & ( (X19 sub X6 & X6 sub X2) => X19 sub X2) & ( (X19 sub X6 & X6 sub X3) => X19 sub X3) & ( (X19 sub X6 & X6 sub X4) => X19 sub X4) & ( (X19 sub X6 & X6 sub X5) => X19 sub X5) & ( (X19 sub X6 & X6 sub X7) => X19 sub X7) & ( (X19 sub X6 & X6 sub X8) => X19 sub X8) & ( (X19 sub X6 & X6 sub X9) => X19 sub X9) & ( (X19 sub X6 & X6 sub X10) => X19 sub X10) & ( (X19 sub X6 & X6 sub X11) => X19 sub X11) & ( (X19 sub X6 & X6 sub X12) => X19 sub X12) & ( (X19 sub X6 & X6 sub X13) => X19 sub X13) & ( (X19 sub X6 & X6 sub X14) => X19 sub X14) & ( (X19 sub X6 & X6 sub X15) => X19 sub X15) & ( (X19 sub X6 & X6 sub X16) => X19 sub X16) & ( (X19 sub X6 & X6 sub X17) => X19 sub X17) & ( (X19 sub X6 & X6 sub X18) => X19 sub X18) & ( (X19 sub X6 & X6 sub X20) => X19 sub X20) & ( (X19 sub X7 & X7 sub X1) => X19 sub X1) & ( (X19 sub X7 & X7 sub X2) => X19 sub X2) & ( (X19 sub X7 & X7 sub X3) => X19 sub X3) & ( (X19 sub X7 & X7 sub X4) => X19 sub X4) & ( (X19 sub X7 & X7 sub X5) => X19 sub X5) & ( (X19 sub X7 & X7 sub X6) => X19 sub X6) & ( (X19 sub X7 & X7 sub X8) => X19 sub X8) & ( (X19 sub X7 & X7 sub X9) => X19 sub X9) & ( (X19 sub X7 & X7 sub X10) => X19 sub X10) & ( (X19 sub X7 & X7 sub X11) => X19 sub X11) & ( (X19 sub X7 & X7 sub X12) => X19 sub X12) & ( (X19 sub X7 & X7 sub X13) => X19 sub X13) & ( (X19 sub X7 & X7 sub X14) => X19 sub X14) & ( (X19 sub X7 & X7 sub X15) => X19 sub X15) & ( (X19 sub X7 & X7 sub X16) => X19 sub X16) & ( (X19 sub X7 & X7 sub X17) => X19 sub X17) & ( (X19 sub X7 & X7 sub X18) => X19 sub X18) & ( (X19 sub X7 & X7 sub X20) => X19 sub X20) & ( (X19 sub X8 & X8 sub X1) => X19 sub X1) & ( (X19 sub X8 & X8 sub X2) => X19 sub X2) & ( (X19 sub X8 & X8 sub X3) => X19 sub X3) & ( (X19 sub X8 & X8 sub X4) => X19 sub X4) & ( (X19 sub X8 & X8 sub X5) => X19 sub X5) & ( (X19 sub X8 & X8 sub X6) => X19 sub X6) & ( (X19 sub X8 & X8 sub X7) => X19 sub X7) & ( (X19 sub X8 & X8 sub X9) => X19 sub X9) & ( (X19 sub X8 & X8 sub X10) => X19 sub X10) & ( (X19 sub X8 & X8 sub X11) => X19 sub X11) & ( (X19 sub X8 & X8 sub X12) => X19 sub X12) & ( (X19 sub X8 & X8 sub X13) => X19 sub X13) & ( (X19 sub X8 & X8 sub X14) => X19 sub X14) & ( (X19 sub X8 & X8 sub X15) => X19 sub X15) & ( (X19 sub X8 & X8 sub X16) => X19 sub X16) & ( (X19 sub X8 & X8 sub X17) => X19 sub X17) & ( (X19 sub X8 & X8 sub X18) => X19 sub X18) & ( (X19 sub X8 & X8 sub X20) => X19 sub X20) & ( (X19 sub X9 & X9 sub X1) => X19 sub X1) & ( (X19 sub X9 & X9 sub X2) => X19 sub X2) & ( (X19 sub X9 & X9 sub X3) => X19 sub X3) & ( (X19 sub X9 & X9 sub X4) => X19 sub X4) & ( (X19 sub X9 & X9 sub X5) => X19 sub X5) & ( (X19 sub X9 & X9 sub X6) => X19 sub X6) & ( (X19 sub X9 & X9 sub X7) => X19 sub X7) & ( (X19 sub X9 & X9 sub X8) => X19 sub X8) & ( (X19 sub X9 & X9 sub X10) => X19 sub X10) & ( (X19 sub X9 & X9 sub X11) => X19 sub X11) & ( (X19 sub X9 & X9 sub X12) => X19 sub X12) & ( (X19 sub X9 & X9 sub X13) => X19 sub X13) & ( (X19 sub X9 & X9 sub X14) => X19 sub X14) & ( (X19 sub X9 & X9 sub X15) => X19 sub X15) & ( (X19 sub X9 & X9 sub X16) => X19 sub X16) & ( (X19 sub X9 & X9 sub X17) => X19 sub X17) & ( (X19 sub X9 & X9 sub X18) => X19 sub X18) & ( (X19 sub X9 & X9 sub X20) => X19 sub X20) & ( (X19 sub X10 & X10 sub X1) => X19 sub X1) & ( (X19 sub X10 & X10 sub X2) => X19 sub X2) & ( (X19 sub X10 & X10 sub X3) => X19 sub X3) & ( (X19 sub X10 & X10 sub X4) => X19 sub X4) & ( (X19 sub X10 & X10 sub X5) => X19 sub X5) & ( (X19 sub X10 & X10 sub X6) => X19 sub X6) & ( (X19 sub X10 & X10 sub X7) => X19 sub X7) & ( (X19 sub X10 & X10 sub X8) => X19 sub X8) & ( (X19 sub X10 & X10 sub X9) => X19 sub X9) & ( (X19 sub X10 & X10 sub X11) => X19 sub X11) & ( (X19 sub X10 & X10 sub X12) => X19 sub X12) & ( (X19 sub X10 & X10 sub X13) => X19 sub X13) & ( (X19 sub X10 & X10 sub X14) => X19 sub X14) & ( (X19 sub X10 & X10 sub X15) => X19 sub X15) & ( (X19 sub X10 & X10 sub X16) => X19 sub X16) & ( (X19 sub X10 & X10 sub X17) => X19 sub X17) & ( (X19 sub X10 & X10 sub X18) => X19 sub X18) & ( (X19 sub X10 & X10 sub X20) => X19 sub X20) & ( (X19 sub X11 & X11 sub X1) => X19 sub X1) & ( (X19 sub X11 & X11 sub X2) => X19 sub X2) & ( (X19 sub X11 & X11 sub X3) => X19 sub X3) & ( (X19 sub X11 & X11 sub X4) => X19 sub X4) & ( (X19 sub X11 & X11 sub X5) => X19 sub X5) & ( (X19 sub X11 & X11 sub X6) => X19 sub X6) & ( (X19 sub X11 & X11 sub X7) => X19 sub X7) & ( (X19 sub X11 & X11 sub X8) => X19 sub X8) & ( (X19 sub X11 & X11 sub X9) => X19 sub X9) & ( (X19 sub X11 & X11 sub X10) => X19 sub X10) & ( (X19 sub X11 & X11 sub X12) => X19 sub X12) & ( (X19 sub X11 & X11 sub X13) => X19 sub X13) & ( (X19 sub X11 & X11 sub X14) => X19 sub X14) & ( (X19 sub X11 & X11 sub X15) => X19 sub X15) & ( (X19 sub X11 & X11 sub X16) => X19 sub X16) & ( (X19 sub X11 & X11 sub X17) => X19 sub X17) & ( (X19 sub X11 & X11 sub X18) => X19 sub X18) & ( (X19 sub X11 & X11 sub X20) => X19 sub X20) & ( (X19 sub X12 & X12 sub X1) => X19 sub X1) & ( (X19 sub X12 & X12 sub X2) => X19 sub X2) & ( (X19 sub X12 & X12 sub X3) => X19 sub X3) & ( (X19 sub X12 & X12 sub X4) => X19 sub X4) & ( (X19 sub X12 & X12 sub X5) => X19 sub X5) & ( (X19 sub X12 & X12 sub X6) => X19 sub X6) & ( (X19 sub X12 & X12 sub X7) => X19 sub X7) & ( (X19 sub X12 & X12 sub X8) => X19 sub X8) & ( (X19 sub X12 & X12 sub X9) => X19 sub X9) & ( (X19 sub X12 & X12 sub X10) => X19 sub X10) & ( (X19 sub X12 & X12 sub X11) => X19 sub X11) & ( (X19 sub X12 & X12 sub X13) => X19 sub X13) & ( (X19 sub X12 & X12 sub X14) => X19 sub X14) & ( (X19 sub X12 & X12 sub X15) => X19 sub X15) & ( (X19 sub X12 & X12 sub X16) => X19 sub X16) & ( (X19 sub X12 & X12 sub X17) => X19 sub X17) & ( (X19 sub X12 & X12 sub X18) => X19 sub X18) & ( (X19 sub X12 & X12 sub X20) => X19 sub X20) & ( (X19 sub X13 & X13 sub X1) => X19 sub X1) & ( (X19 sub X13 & X13 sub X2) => X19 sub X2) & ( (X19 sub X13 & X13 sub X3) => X19 sub X3) & ( (X19 sub X13 & X13 sub X4) => X19 sub X4) & ( (X19 sub X13 & X13 sub X5) => X19 sub X5) & ( (X19 sub X13 & X13 sub X6) => X19 sub X6) & ( (X19 sub X13 & X13 sub X7) => X19 sub X7) & ( (X19 sub X13 & X13 sub X8) => X19 sub X8) & ( (X19 sub X13 & X13 sub X9) => X19 sub X9) & ( (X19 sub X13 & X13 sub X10) => X19 sub X10) & ( (X19 sub X13 & X13 sub X11) => X19 sub X11) & ( (X19 sub X13 & X13 sub X12) => X19 sub X12) & ( (X19 sub X13 & X13 sub X14) => X19 sub X14) & ( (X19 sub X13 & X13 sub X15) => X19 sub X15) & ( (X19 sub X13 & X13 sub X16) => X19 sub X16) & ( (X19 sub X13 & X13 sub X17) => X19 sub X17) & ( (X19 sub X13 & X13 sub X18) => X19 sub X18) & ( (X19 sub X13 & X13 sub X20) => X19 sub X20) & ( (X19 sub X14 & X14 sub X1) => X19 sub X1) & ( (X19 sub X14 & X14 sub X2) => X19 sub X2) & ( (X19 sub X14 & X14 sub X3) => X19 sub X3) & ( (X19 sub X14 & X14 sub X4) => X19 sub X4) & ( (X19 sub X14 & X14 sub X5) => X19 sub X5) & ( (X19 sub X14 & X14 sub X6) => X19 sub X6) & ( (X19 sub X14 & X14 sub X7) => X19 sub X7) & ( (X19 sub X14 & X14 sub X8) => X19 sub X8) & ( (X19 sub X14 & X14 sub X9) => X19 sub X9) & ( (X19 sub X14 & X14 sub X10) => X19 sub X10) & ( (X19 sub X14 & X14 sub X11) => X19 sub X11) & ( (X19 sub X14 & X14 sub X12) => X19 sub X12) & ( (X19 sub X14 & X14 sub X13) => X19 sub X13) & ( (X19 sub X14 & X14 sub X15) => X19 sub X15) & ( (X19 sub X14 & X14 sub X16) => X19 sub X16) & ( (X19 sub X14 & X14 sub X17) => X19 sub X17) & ( (X19 sub X14 & X14 sub X18) => X19 sub X18) & ( (X19 sub X14 & X14 sub X20) => X19 sub X20) & ( (X19 sub X15 & X15 sub X1) => X19 sub X1) & ( (X19 sub X15 & X15 sub X2) => X19 sub X2) & ( (X19 sub X15 & X15 sub X3) => X19 sub X3) & ( (X19 sub X15 & X15 sub X4) => X19 sub X4) & ( (X19 sub X15 & X15 sub X5) => X19 sub X5) & ( (X19 sub X15 & X15 sub X6) => X19 sub X6) & ( (X19 sub X15 & X15 sub X7) => X19 sub X7) & ( (X19 sub X15 & X15 sub X8) => X19 sub X8) & ( (X19 sub X15 & X15 sub X9) => X19 sub X9) & ( (X19 sub X15 & X15 sub X10) => X19 sub X10) & ( (X19 sub X15 & X15 sub X11) => X19 sub X11) & ( (X19 sub X15 & X15 sub X12) => X19 sub X12) & ( (X19 sub X15 & X15 sub X13) => X19 sub X13) & ( (X19 sub X15 & X15 sub X14) => X19 sub X14) & ( (X19 sub X15 & X15 sub X16) => X19 sub X16) & ( (X19 sub X15 & X15 sub X17) => X19 sub X17) & ( (X19 sub X15 & X15 sub X18) => X19 sub X18) & ( (X19 sub X15 & X15 sub X20) => X19 sub X20) & ( (X19 sub X16 & X16 sub X1) => X19 sub X1) & ( (X19 sub X16 & X16 sub X2) => X19 sub X2) & ( (X19 sub X16 & X16 sub X3) => X19 sub X3) & ( (X19 sub X16 & X16 sub X4) => X19 sub X4) & ( (X19 sub X16 & X16 sub X5) => X19 sub X5) & ( (X19 sub X16 & X16 sub X6) => X19 sub X6) & ( (X19 sub X16 & X16 sub X7) => X19 sub X7) & ( (X19 sub X16 & X16 sub X8) => X19 sub X8) & ( (X19 sub X16 & X16 sub X9) => X19 sub X9) & ( (X19 sub X16 & X16 sub X10) => X19 sub X10) & ( (X19 sub X16 & X16 sub X11) => X19 sub X11) & ( (X19 sub X16 & X16 sub X12) => X19 sub X12) & ( (X19 sub X16 & X16 sub X13) => X19 sub X13) & ( (X19 sub X16 & X16 sub X14) => X19 sub X14) & ( (X19 sub X16 & X16 sub X15) => X19 sub X15) & ( (X19 sub X16 & X16 sub X17) => X19 sub X17) & ( (X19 sub X16 & X16 sub X18) => X19 sub X18) & ( (X19 sub X16 & X16 sub X20) => X19 sub X20) & ( (X19 sub X17 & X17 sub X1) => X19 sub X1) & ( (X19 sub X17 & X17 sub X2) => X19 sub X2) & ( (X19 sub X17 & X17 sub X3) => X19 sub X3) & ( (X19 sub X17 & X17 sub X4) => X19 sub X4) & ( (X19 sub X17 & X17 sub X5) => X19 sub X5) & ( (X19 sub X17 & X17 sub X6) => X19 sub X6) & ( (X19 sub X17 & X17 sub X7) => X19 sub X7) & ( (X19 sub X17 & X17 sub X8) => X19 sub X8) & ( (X19 sub X17 & X17 sub X9) => X19 sub X9) & ( (X19 sub X17 & X17 sub X10) => X19 sub X10) & ( (X19 sub X17 & X17 sub X11) => X19 sub X11) & ( (X19 sub X17 & X17 sub X12) => X19 sub X12) & ( (X19 sub X17 & X17 sub X13) => X19 sub X13) & ( (X19 sub X17 & X17 sub X14) => X19 sub X14) & ( (X19 sub X17 & X17 sub X15) => X19 sub X15) & ( (X19 sub X17 & X17 sub X16) => X19 sub X16) & ( (X19 sub X17 & X17 sub X18) => X19 sub X18) & ( (X19 sub X17 & X17 sub X20) => X19 sub X20) & ( (X19 sub X18 & X18 sub X1) => X19 sub X1) & ( (X19 sub X18 & X18 sub X2) => X19 sub X2) & ( (X19 sub X18 & X18 sub X3) => X19 sub X3) & ( (X19 sub X18 & X18 sub X4) => X19 sub X4) & ( (X19 sub X18 & X18 sub X5) => X19 sub X5) & ( (X19 sub X18 & X18 sub X6) => X19 sub X6) & ( (X19 sub X18 & X18 sub X7) => X19 sub X7) & ( (X19 sub X18 & X18 sub X8) => X19 sub X8) & ( (X19 sub X18 & X18 sub X9) => X19 sub X9) & ( (X19 sub X18 & X18 sub X10) => X19 sub X10) & ( (X19 sub X18 & X18 sub X11) => X19 sub X11) & ( (X19 sub X18 & X18 sub X12) => X19 sub X12) & ( (X19 sub X18 & X18 sub X13) => X19 sub X13) & ( (X19 sub X18 & X18 sub X14) => X19 sub X14) & ( (X19 sub X18 & X18 sub X15) => X19 sub X15) & ( (X19 sub X18 & X18 sub X16) => X19 sub X16) & ( (X19 sub X18 & X18 sub X17) => X19 sub X17) & ( (X19 sub X18 & X18 sub X20) => X19 sub X20) & ( (X19 sub X20 & X20 sub X1) => X19 sub X1) & ( (X19 sub X20 & X20 sub X2) => X19 sub X2) & ( (X19 sub X20 & X20 sub X3) => X19 sub X3) & ( (X19 sub X20 & X20 sub X4) => X19 sub X4) & ( (X19 sub X20 & X20 sub X5) => X19 sub X5) & ( (X19 sub X20 & X20 sub X6) => X19 sub X6) & ( (X19 sub X20 & X20 sub X7) => X19 sub X7) & ( (X19 sub X20 & X20 sub X8) => X19 sub X8) & ( (X19 sub X20 & X20 sub X9) => X19 sub X9) & ( (X19 sub X20 & X20 sub X10) => X19 sub X10) & ( (X19 sub X20 & X20 sub X11) => X19 sub X11) & ( (X19 sub X20 & X20 sub X12) => X19 sub X12) & ( (X19 sub X20 & X20 sub X13) => X19 sub X13) & ( (X19 sub X20 & X20 sub X14) => X19 sub X14) & ( (X19 sub X20 & X20 sub X15) => X19 sub X15) & ( (X19 sub X20 & X20 sub X16) => X19 sub X16) & ( (X19 sub X20 & X20 sub X17) => X19 sub X17) & ( (X19 sub X20 & X20 sub X18) => X19 sub X18) & ( (X20 sub X1 & X1 sub X2) => X20 sub X2) & ( (X20 sub X1 & X1 sub X3) => X20 sub X3) & ( (X20 sub X1 & X1 sub X4) => X20 sub X4) & ( (X20 sub X1 & X1 sub X5) => X20 sub X5) & ( (X20 sub X1 & X1 sub X6) => X20 sub X6) & ( (X20 sub X1 & X1 sub X7) => X20 sub X7) & ( (X20 sub X1 & X1 sub X8) => X20 sub X8) & ( (X20 sub X1 & X1 sub X9) => X20 sub X9) & ( (X20 sub X1 & X1 sub X10) => X20 sub X10) & ( (X20 sub X1 & X1 sub X11) => X20 sub X11) & ( (X20 sub X1 & X1 sub X12) => X20 sub X12) & ( (X20 sub X1 & X1 sub X13) => X20 sub X13) & ( (X20 sub X1 & X1 sub X14) => X20 sub X14) & ( (X20 sub X1 & X1 sub X15) => X20 sub X15) & ( (X20 sub X1 & X1 sub X16) => X20 sub X16) & ( (X20 sub X1 & X1 sub X17) => X20 sub X17) & ( (X20 sub X1 & X1 sub X18) => X20 sub X18) & ( (X20 sub X1 & X1 sub X19) => X20 sub X19) & ( (X20 sub X2 & X2 sub X1) => X20 sub X1) & ( (X20 sub X2 & X2 sub X3) => X20 sub X3) & ( (X20 sub X2 & X2 sub X4) => X20 sub X4) & ( (X20 sub X2 & X2 sub X5) => X20 sub X5) & ( (X20 sub X2 & X2 sub X6) => X20 sub X6) & ( (X20 sub X2 & X2 sub X7) => X20 sub X7) & ( (X20 sub X2 & X2 sub X8) => X20 sub X8) & ( (X20 sub X2 & X2 sub X9) => X20 sub X9) & ( (X20 sub X2 & X2 sub X10) => X20 sub X10) & ( (X20 sub X2 & X2 sub X11) => X20 sub X11) & ( (X20 sub X2 & X2 sub X12) => X20 sub X12) & ( (X20 sub X2 & X2 sub X13) => X20 sub X13) & ( (X20 sub X2 & X2 sub X14) => X20 sub X14) & ( (X20 sub X2 & X2 sub X15) => X20 sub X15) & ( (X20 sub X2 & X2 sub X16) => X20 sub X16) & ( (X20 sub X2 & X2 sub X17) => X20 sub X17) & ( (X20 sub X2 & X2 sub X18) => X20 sub X18) & ( (X20 sub X2 & X2 sub X19) => X20 sub X19) & ( (X20 sub X3 & X3 sub X1) => X20 sub X1) & ( (X20 sub X3 & X3 sub X2) => X20 sub X2) & ( (X20 sub X3 & X3 sub X4) => X20 sub X4) & ( (X20 sub X3 & X3 sub X5) => X20 sub X5) & ( (X20 sub X3 & X3 sub X6) => X20 sub X6) & ( (X20 sub X3 & X3 sub X7) => X20 sub X7) & ( (X20 sub X3 & X3 sub X8) => X20 sub X8) & ( (X20 sub X3 & X3 sub X9) => X20 sub X9) & ( (X20 sub X3 & X3 sub X10) => X20 sub X10) & ( (X20 sub X3 & X3 sub X11) => X20 sub X11) & ( (X20 sub X3 & X3 sub X12) => X20 sub X12) & ( (X20 sub X3 & X3 sub X13) => X20 sub X13) & ( (X20 sub X3 & X3 sub X14) => X20 sub X14) & ( (X20 sub X3 & X3 sub X15) => X20 sub X15) & ( (X20 sub X3 & X3 sub X16) => X20 sub X16) & ( (X20 sub X3 & X3 sub X17) => X20 sub X17) & ( (X20 sub X3 & X3 sub X18) => X20 sub X18) & ( (X20 sub X3 & X3 sub X19) => X20 sub X19) & ( (X20 sub X4 & X4 sub X1) => X20 sub X1) & ( (X20 sub X4 & X4 sub X2) => X20 sub X2) & ( (X20 sub X4 & X4 sub X3) => X20 sub X3) & ( (X20 sub X4 & X4 sub X5) => X20 sub X5) & ( (X20 sub X4 & X4 sub X6) => X20 sub X6) & ( (X20 sub X4 & X4 sub X7) => X20 sub X7) & ( (X20 sub X4 & X4 sub X8) => X20 sub X8) & ( (X20 sub X4 & X4 sub X9) => X20 sub X9) & ( (X20 sub X4 & X4 sub X10) => X20 sub X10) & ( (X20 sub X4 & X4 sub X11) => X20 sub X11) & ( (X20 sub X4 & X4 sub X12) => X20 sub X12) & ( (X20 sub X4 & X4 sub X13) => X20 sub X13) & ( (X20 sub X4 & X4 sub X14) => X20 sub X14) & ( (X20 sub X4 & X4 sub X15) => X20 sub X15) & ( (X20 sub X4 & X4 sub X16) => X20 sub X16) & ( (X20 sub X4 & X4 sub X17) => X20 sub X17) & ( (X20 sub X4 & X4 sub X18) => X20 sub X18) & ( (X20 sub X4 & X4 sub X19) => X20 sub X19) & ( (X20 sub X5 & X5 sub X1) => X20 sub X1) & ( (X20 sub X5 & X5 sub X2) => X20 sub X2) & ( (X20 sub X5 & X5 sub X3) => X20 sub X3) & ( (X20 sub X5 & X5 sub X4) => X20 sub X4) & ( (X20 sub X5 & X5 sub X6) => X20 sub X6) & ( (X20 sub X5 & X5 sub X7) => X20 sub X7) & ( (X20 sub X5 & X5 sub X8) => X20 sub X8) & ( (X20 sub X5 & X5 sub X9) => X20 sub X9) & ( (X20 sub X5 & X5 sub X10) => X20 sub X10) & ( (X20 sub X5 & X5 sub X11) => X20 sub X11) & ( (X20 sub X5 & X5 sub X12) => X20 sub X12) & ( (X20 sub X5 & X5 sub X13) => X20 sub X13) & ( (X20 sub X5 & X5 sub X14) => X20 sub X14) & ( (X20 sub X5 & X5 sub X15) => X20 sub X15) & ( (X20 sub X5 & X5 sub X16) => X20 sub X16) & ( (X20 sub X5 & X5 sub X17) => X20 sub X17) & ( (X20 sub X5 & X5 sub X18) => X20 sub X18) & ( (X20 sub X5 & X5 sub X19) => X20 sub X19) & ( (X20 sub X6 & X6 sub X1) => X20 sub X1) & ( (X20 sub X6 & X6 sub X2) => X20 sub X2) & ( (X20 sub X6 & X6 sub X3) => X20 sub X3) & ( (X20 sub X6 & X6 sub X4) => X20 sub X4) & ( (X20 sub X6 & X6 sub X5) => X20 sub X5) & ( (X20 sub X6 & X6 sub X7) => X20 sub X7) & ( (X20 sub X6 & X6 sub X8) => X20 sub X8) & ( (X20 sub X6 & X6 sub X9) => X20 sub X9) & ( (X20 sub X6 & X6 sub X10) => X20 sub X10) & ( (X20 sub X6 & X6 sub X11) => X20 sub X11) & ( (X20 sub X6 & X6 sub X12) => X20 sub X12) & ( (X20 sub X6 & X6 sub X13) => X20 sub X13) & ( (X20 sub X6 & X6 sub X14) => X20 sub X14) & ( (X20 sub X6 & X6 sub X15) => X20 sub X15) & ( (X20 sub X6 & X6 sub X16) => X20 sub X16) & ( (X20 sub X6 & X6 sub X17) => X20 sub X17) & ( (X20 sub X6 & X6 sub X18) => X20 sub X18) & ( (X20 sub X6 & X6 sub X19) => X20 sub X19) & ( (X20 sub X7 & X7 sub X1) => X20 sub X1) & ( (X20 sub X7 & X7 sub X2) => X20 sub X2) & ( (X20 sub X7 & X7 sub X3) => X20 sub X3) & ( (X20 sub X7 & X7 sub X4) => X20 sub X4) & ( (X20 sub X7 & X7 sub X5) => X20 sub X5) & ( (X20 sub X7 & X7 sub X6) => X20 sub X6) & ( (X20 sub X7 & X7 sub X8) => X20 sub X8) & ( (X20 sub X7 & X7 sub X9) => X20 sub X9) & ( (X20 sub X7 & X7 sub X10) => X20 sub X10) & ( (X20 sub X7 & X7 sub X11) => X20 sub X11) & ( (X20 sub X7 & X7 sub X12) => X20 sub X12) & ( (X20 sub X7 & X7 sub X13) => X20 sub X13) & ( (X20 sub X7 & X7 sub X14) => X20 sub X14) & ( (X20 sub X7 & X7 sub X15) => X20 sub X15) & ( (X20 sub X7 & X7 sub X16) => X20 sub X16) & ( (X20 sub X7 & X7 sub X17) => X20 sub X17) & ( (X20 sub X7 & X7 sub X18) => X20 sub X18) & ( (X20 sub X7 & X7 sub X19) => X20 sub X19) & ( (X20 sub X8 & X8 sub X1) => X20 sub X1) & ( (X20 sub X8 & X8 sub X2) => X20 sub X2) & ( (X20 sub X8 & X8 sub X3) => X20 sub X3) & ( (X20 sub X8 & X8 sub X4) => X20 sub X4) & ( (X20 sub X8 & X8 sub X5) => X20 sub X5) & ( (X20 sub X8 & X8 sub X6) => X20 sub X6) & ( (X20 sub X8 & X8 sub X7) => X20 sub X7) & ( (X20 sub X8 & X8 sub X9) => X20 sub X9) & ( (X20 sub X8 & X8 sub X10) => X20 sub X10) & ( (X20 sub X8 & X8 sub X11) => X20 sub X11) & ( (X20 sub X8 & X8 sub X12) => X20 sub X12) & ( (X20 sub X8 & X8 sub X13) => X20 sub X13) & ( (X20 sub X8 & X8 sub X14) => X20 sub X14) & ( (X20 sub X8 & X8 sub X15) => X20 sub X15) & ( (X20 sub X8 & X8 sub X16) => X20 sub X16) & ( (X20 sub X8 & X8 sub X17) => X20 sub X17) & ( (X20 sub X8 & X8 sub X18) => X20 sub X18) & ( (X20 sub X8 & X8 sub X19) => X20 sub X19) & ( (X20 sub X9 & X9 sub X1) => X20 sub X1) & ( (X20 sub X9 & X9 sub X2) => X20 sub X2) & ( (X20 sub X9 & X9 sub X3) => X20 sub X3) & ( (X20 sub X9 & X9 sub X4) => X20 sub X4) & ( (X20 sub X9 & X9 sub X5) => X20 sub X5) & ( (X20 sub X9 & X9 sub X6) => X20 sub X6) & ( (X20 sub X9 & X9 sub X7) => X20 sub X7) & ( (X20 sub X9 & X9 sub X8) => X20 sub X8) & ( (X20 sub X9 & X9 sub X10) => X20 sub X10) & ( (X20 sub X9 & X9 sub X11) => X20 sub X11) & ( (X20 sub X9 & X9 sub X12) => X20 sub X12) & ( (X20 sub X9 & X9 sub X13) => X20 sub X13) & ( (X20 sub X9 & X9 sub X14) => X20 sub X14) & ( (X20 sub X9 & X9 sub X15) => X20 sub X15) & ( (X20 sub X9 & X9 sub X16) => X20 sub X16) & ( (X20 sub X9 & X9 sub X17) => X20 sub X17) & ( (X20 sub X9 & X9 sub X18) => X20 sub X18) & ( (X20 sub X9 & X9 sub X19) => X20 sub X19) & ( (X20 sub X10 & X10 sub X1) => X20 sub X1) & ( (X20 sub X10 & X10 sub X2) => X20 sub X2) & ( (X20 sub X10 & X10 sub X3) => X20 sub X3) & ( (X20 sub X10 & X10 sub X4) => X20 sub X4) & ( (X20 sub X10 & X10 sub X5) => X20 sub X5) & ( (X20 sub X10 & X10 sub X6) => X20 sub X6) & ( (X20 sub X10 & X10 sub X7) => X20 sub X7) & ( (X20 sub X10 & X10 sub X8) => X20 sub X8) & ( (X20 sub X10 & X10 sub X9) => X20 sub X9) & ( (X20 sub X10 & X10 sub X11) => X20 sub X11) & ( (X20 sub X10 & X10 sub X12) => X20 sub X12) & ( (X20 sub X10 & X10 sub X13) => X20 sub X13) & ( (X20 sub X10 & X10 sub X14) => X20 sub X14) & ( (X20 sub X10 & X10 sub X15) => X20 sub X15) & ( (X20 sub X10 & X10 sub X16) => X20 sub X16) & ( (X20 sub X10 & X10 sub X17) => X20 sub X17) & ( (X20 sub X10 & X10 sub X18) => X20 sub X18) & ( (X20 sub X10 & X10 sub X19) => X20 sub X19) & ( (X20 sub X11 & X11 sub X1) => X20 sub X1) & ( (X20 sub X11 & X11 sub X2) => X20 sub X2) & ( (X20 sub X11 & X11 sub X3) => X20 sub X3) & ( (X20 sub X11 & X11 sub X4) => X20 sub X4) & ( (X20 sub X11 & X11 sub X5) => X20 sub X5) & ( (X20 sub X11 & X11 sub X6) => X20 sub X6) & ( (X20 sub X11 & X11 sub X7) => X20 sub X7) & ( (X20 sub X11 & X11 sub X8) => X20 sub X8) & ( (X20 sub X11 & X11 sub X9) => X20 sub X9) & ( (X20 sub X11 & X11 sub X10) => X20 sub X10) & ( (X20 sub X11 & X11 sub X12) => X20 sub X12) & ( (X20 sub X11 & X11 sub X13) => X20 sub X13) & ( (X20 sub X11 & X11 sub X14) => X20 sub X14) & ( (X20 sub X11 & X11 sub X15) => X20 sub X15) & ( (X20 sub X11 & X11 sub X16) => X20 sub X16) & ( (X20 sub X11 & X11 sub X17) => X20 sub X17) & ( (X20 sub X11 & X11 sub X18) => X20 sub X18) & ( (X20 sub X11 & X11 sub X19) => X20 sub X19) & ( (X20 sub X12 & X12 sub X1) => X20 sub X1) & ( (X20 sub X12 & X12 sub X2) => X20 sub X2) & ( (X20 sub X12 & X12 sub X3) => X20 sub X3) & ( (X20 sub X12 & X12 sub X4) => X20 sub X4) & ( (X20 sub X12 & X12 sub X5) => X20 sub X5) & ( (X20 sub X12 & X12 sub X6) => X20 sub X6) & ( (X20 sub X12 & X12 sub X7) => X20 sub X7) & ( (X20 sub X12 & X12 sub X8) => X20 sub X8) & ( (X20 sub X12 & X12 sub X9) => X20 sub X9) & ( (X20 sub X12 & X12 sub X10) => X20 sub X10) & ( (X20 sub X12 & X12 sub X11) => X20 sub X11) & ( (X20 sub X12 & X12 sub X13) => X20 sub X13) & ( (X20 sub X12 & X12 sub X14) => X20 sub X14) & ( (X20 sub X12 & X12 sub X15) => X20 sub X15) & ( (X20 sub X12 & X12 sub X16) => X20 sub X16) & ( (X20 sub X12 & X12 sub X17) => X20 sub X17) & ( (X20 sub X12 & X12 sub X18) => X20 sub X18) & ( (X20 sub X12 & X12 sub X19) => X20 sub X19) & ( (X20 sub X13 & X13 sub X1) => X20 sub X1) & ( (X20 sub X13 & X13 sub X2) => X20 sub X2) & ( (X20 sub X13 & X13 sub X3) => X20 sub X3) & ( (X20 sub X13 & X13 sub X4) => X20 sub X4) & ( (X20 sub X13 & X13 sub X5) => X20 sub X5) & ( (X20 sub X13 & X13 sub X6) => X20 sub X6) & ( (X20 sub X13 & X13 sub X7) => X20 sub X7) & ( (X20 sub X13 & X13 sub X8) => X20 sub X8) & ( (X20 sub X13 & X13 sub X9) => X20 sub X9) & ( (X20 sub X13 & X13 sub X10) => X20 sub X10) & ( (X20 sub X13 & X13 sub X11) => X20 sub X11) & ( (X20 sub X13 & X13 sub X12) => X20 sub X12) & ( (X20 sub X13 & X13 sub X14) => X20 sub X14) & ( (X20 sub X13 & X13 sub X15) => X20 sub X15) & ( (X20 sub X13 & X13 sub X16) => X20 sub X16) & ( (X20 sub X13 & X13 sub X17) => X20 sub X17) & ( (X20 sub X13 & X13 sub X18) => X20 sub X18) & ( (X20 sub X13 & X13 sub X19) => X20 sub X19) & ( (X20 sub X14 & X14 sub X1) => X20 sub X1) & ( (X20 sub X14 & X14 sub X2) => X20 sub X2) & ( (X20 sub X14 & X14 sub X3) => X20 sub X3) & ( (X20 sub X14 & X14 sub X4) => X20 sub X4) & ( (X20 sub X14 & X14 sub X5) => X20 sub X5) & ( (X20 sub X14 & X14 sub X6) => X20 sub X6) & ( (X20 sub X14 & X14 sub X7) => X20 sub X7) & ( (X20 sub X14 & X14 sub X8) => X20 sub X8) & ( (X20 sub X14 & X14 sub X9) => X20 sub X9) & ( (X20 sub X14 & X14 sub X10) => X20 sub X10) & ( (X20 sub X14 & X14 sub X11) => X20 sub X11) & ( (X20 sub X14 & X14 sub X12) => X20 sub X12) & ( (X20 sub X14 & X14 sub X13) => X20 sub X13) & ( (X20 sub X14 & X14 sub X15) => X20 sub X15) & ( (X20 sub X14 & X14 sub X16) => X20 sub X16) & ( (X20 sub X14 & X14 sub X17) => X20 sub X17) & ( (X20 sub X14 & X14 sub X18) => X20 sub X18) & ( (X20 sub X14 & X14 sub X19) => X20 sub X19) & ( (X20 sub X15 & X15 sub X1) => X20 sub X1) & ( (X20 sub X15 & X15 sub X2) => X20 sub X2) & ( (X20 sub X15 & X15 sub X3) => X20 sub X3) & ( (X20 sub X15 & X15 sub X4) => X20 sub X4) & ( (X20 sub X15 & X15 sub X5) => X20 sub X5) & ( (X20 sub X15 & X15 sub X6) => X20 sub X6) & ( (X20 sub X15 & X15 sub X7) => X20 sub X7) & ( (X20 sub X15 & X15 sub X8) => X20 sub X8) & ( (X20 sub X15 & X15 sub X9) => X20 sub X9) & ( (X20 sub X15 & X15 sub X10) => X20 sub X10) & ( (X20 sub X15 & X15 sub X11) => X20 sub X11) & ( (X20 sub X15 & X15 sub X12) => X20 sub X12) & ( (X20 sub X15 & X15 sub X13) => X20 sub X13) & ( (X20 sub X15 & X15 sub X14) => X20 sub X14) & ( (X20 sub X15 & X15 sub X16) => X20 sub X16) & ( (X20 sub X15 & X15 sub X17) => X20 sub X17) & ( (X20 sub X15 & X15 sub X18) => X20 sub X18) & ( (X20 sub X15 & X15 sub X19) => X20 sub X19) & ( (X20 sub X16 & X16 sub X1) => X20 sub X1) & ( (X20 sub X16 & X16 sub X2) => X20 sub X2) & ( (X20 sub X16 & X16 sub X3) => X20 sub X3) & ( (X20 sub X16 & X16 sub X4) => X20 sub X4) & ( (X20 sub X16 & X16 sub X5) => X20 sub X5) & ( (X20 sub X16 & X16 sub X6) => X20 sub X6) & ( (X20 sub X16 & X16 sub X7) => X20 sub X7) & ( (X20 sub X16 & X16 sub X8) => X20 sub X8) & ( (X20 sub X16 & X16 sub X9) => X20 sub X9) & ( (X20 sub X16 & X16 sub X10) => X20 sub X10) & ( (X20 sub X16 & X16 sub X11) => X20 sub X11) & ( (X20 sub X16 & X16 sub X12) => X20 sub X12) & ( (X20 sub X16 & X16 sub X13) => X20 sub X13) & ( (X20 sub X16 & X16 sub X14) => X20 sub X14) & ( (X20 sub X16 & X16 sub X15) => X20 sub X15) & ( (X20 sub X16 & X16 sub X17) => X20 sub X17) & ( (X20 sub X16 & X16 sub X18) => X20 sub X18) & ( (X20 sub X16 & X16 sub X19) => X20 sub X19) & ( (X20 sub X17 & X17 sub X1) => X20 sub X1) & ( (X20 sub X17 & X17 sub X2) => X20 sub X2) & ( (X20 sub X17 & X17 sub X3) => X20 sub X3) & ( (X20 sub X17 & X17 sub X4) => X20 sub X4) & ( (X20 sub X17 & X17 sub X5) => X20 sub X5) & ( (X20 sub X17 & X17 sub X6) => X20 sub X6) & ( (X20 sub X17 & X17 sub X7) => X20 sub X7) & ( (X20 sub X17 & X17 sub X8) => X20 sub X8) & ( (X20 sub X17 & X17 sub X9) => X20 sub X9) & ( (X20 sub X17 & X17 sub X10) => X20 sub X10) & ( (X20 sub X17 & X17 sub X11) => X20 sub X11) & ( (X20 sub X17 & X17 sub X12) => X20 sub X12) & ( (X20 sub X17 & X17 sub X13) => X20 sub X13) & ( (X20 sub X17 & X17 sub X14) => X20 sub X14) & ( (X20 sub X17 & X17 sub X15) => X20 sub X15) & ( (X20 sub X17 & X17 sub X16) => X20 sub X16) & ( (X20 sub X17 & X17 sub X18) => X20 sub X18) & ( (X20 sub X17 & X17 sub X19) => X20 sub X19) & ( (X20 sub X18 & X18 sub X1) => X20 sub X1) & ( (X20 sub X18 & X18 sub X2) => X20 sub X2) & ( (X20 sub X18 & X18 sub X3) => X20 sub X3) & ( (X20 sub X18 & X18 sub X4) => X20 sub X4) & ( (X20 sub X18 & X18 sub X5) => X20 sub X5) & ( (X20 sub X18 & X18 sub X6) => X20 sub X6) & ( (X20 sub X18 & X18 sub X7) => X20 sub X7) & ( (X20 sub X18 & X18 sub X8) => X20 sub X8) & ( (X20 sub X18 & X18 sub X9) => X20 sub X9) & ( (X20 sub X18 & X18 sub X10) => X20 sub X10) & ( (X20 sub X18 & X18 sub X11) => X20 sub X11) & ( (X20 sub X18 & X18 sub X12) => X20 sub X12) & ( (X20 sub X18 & X18 sub X13) => X20 sub X13) & ( (X20 sub X18 & X18 sub X14) => X20 sub X14) & ( (X20 sub X18 & X18 sub X15) => X20 sub X15) & ( (X20 sub X18 & X18 sub X16) => X20 sub X16) & ( (X20 sub X18 & X18 sub X17) => X20 sub X17) & ( (X20 sub X18 & X18 sub X19) => X20 sub X19) & ( (X20 sub X19 & X19 sub X1) => X20 sub X1) & ( (X20 sub X19 & X19 sub X2) => X20 sub X2) & ( (X20 sub X19 & X19 sub X3) => X20 sub X3) & ( (X20 sub X19 & X19 sub X4) => X20 sub X4) & ( (X20 sub X19 & X19 sub X5) => X20 sub X5) & ( (X20 sub X19 & X19 sub X6) => X20 sub X6) & ( (X20 sub X19 & X19 sub X7) => X20 sub X7) & ( (X20 sub X19 & X19 sub X8) => X20 sub X8) & ( (X20 sub X19 & X19 sub X9) => X20 sub X9) & ( (X20 sub X19 & X19 sub X10) => X20 sub X10) & ( (X20 sub X19 & X19 sub X11) => X20 sub X11) & ( (X20 sub X19 & X19 sub X12) => X20 sub X12) & ( (X20 sub X19 & X19 sub X13) => X20 sub X13) & ( (X20 sub X19 & X19 sub X14) => X20 sub X14) & ( (X20 sub X19 & X19 sub X15) => X20 sub X15) & ( (X20 sub X19 & X19 sub X16) => X20 sub X16) & ( (X20 sub X19 & X19 sub X17) => X20 sub X17) & ( (X20 sub X19 & X19 sub X18) => X20 sub X18) & X1 sub X & X2 sub X & X3 sub X & X4 sub X & X5 sub X & X6 sub X & X7 sub X & X8 sub X & X9 sub X & X10 sub X & X11 sub X & X12 sub X & X13 sub X & X14 sub X & X15 sub X & X16 sub X & X17 sub X & X18 sub X & X19 sub X & X20 sub X;