cnf(i_0, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a))).
cnf(i_1, plain, (~num(b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27, X28) | num(a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27, X28))).
cnf(i_2, plain, (num(b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27, X28) | ~num(a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27, X28))).
cnf(i_3, plain, (~num(a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27) | num(b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27))).
cnf(i_4, plain, (num(a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27) | ~num(b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27))).
cnf(i_5, plain, (~num(a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26) | num(b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26))).
cnf(i_6, plain, (num(a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26) | ~num(b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26))).
cnf(i_7, plain, (~num(a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25) | num(b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25))).
cnf(i_8, plain, (num(a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25) | ~num(b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25))).
cnf(i_9, plain, (~num(a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24) | num(b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24))).
cnf(i_10, plain, (num(a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24) | ~num(b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24))).
cnf(i_11, plain, (~num(a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23) | num(b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23))).
cnf(i_12, plain, (num(a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23) | ~num(b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23))).
cnf(i_13, plain, (~num(a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22) | num(b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22))).
cnf(i_14, plain, (num(a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22) | ~num(b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22))).
cnf(i_15, plain, (~num(a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21) | num(b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21))).
cnf(i_16, plain, (num(a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21) | ~num(b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21))).
cnf(i_17, plain, (~num(a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20) | num(b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20))).
cnf(i_18, plain, (num(a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20) | ~num(b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20))).
cnf(i_19, plain, (~num(a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19) | num(b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19))).
cnf(i_20, plain, (num(a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19) | ~num(b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19))).
cnf(i_21, plain, (~num(a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18) | num(b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18))).
cnf(i_22, plain, (num(a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18) | ~num(b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18))).
cnf(i_23, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17) | num(b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17))).
cnf(i_24, plain, (num(a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17) | ~num(b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17))).
cnf(i_25, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16) | num(b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16))).
cnf(i_26, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16))).
cnf(i_27, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15))).
cnf(i_28, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15))).
cnf(i_29, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14))).
cnf(i_30, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14))).
cnf(i_31, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13))).
cnf(i_32, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13))).
cnf(i_33, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12))).
cnf(i_34, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12))).
cnf(i_35, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11))).
cnf(i_36, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11))).
cnf(i_37, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10))).
cnf(i_38, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10))).
cnf(i_39, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9))).
cnf(i_40, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8, X9))).
cnf(i_41, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8))).
cnf(i_42, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7, X8) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7, X8))).
cnf(i_43, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7))).
cnf(i_44, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6, X7) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6, X7))).
cnf(i_45, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6))).
cnf(i_46, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5, X6) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5, X6))).
cnf(i_47, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5))).
cnf(i_48, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4, X5) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4, X5))).
cnf(i_49, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4))).
cnf(i_50, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3, X4) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3, X4))).
cnf(i_51, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3))).
cnf(i_52, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2, X3) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2, X3))).
cnf(i_53, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2))).
cnf(i_54, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1, X2) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1, X2))).
cnf(i_55, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1))).
cnf(i_56, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0, X1) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0, X1))).
cnf(i_57, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0))).
cnf(i_58, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b, X0) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a, X0))).
cnf(i_59, plain, (~num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b) | num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a))).
cnf(i_60, plain, (num(a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, a, b) | ~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, a))).
cnf(i_0, negated_conjecture, (~num(b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b, b))).