c Pigeonhole principle formula for 7 pigeons and 6 holes c Generated with `cnfgen` c (C) 2012-2016 Massimo Lauria c https://massimolauria.github.io/cnfgen c c COMMAND LINE: cnfgen php 7 6 c p cnf 42 133 1 2 3 4 5 6 0 7 8 9 10 11 12 0 13 14 15 16 17 18 0 19 20 21 22 23 24 0 25 26 27 28 29 30 0 31 32 33 34 35 36 0 37 38 39 40 41 42 0 -1 -7 0 -1 -13 0 -1 -19 0 -1 -25 0 -1 -31 0 -1 -37 0 -7 -13 0 -7 -19 0 -7 -25 0 -7 -31 0 -7 -37 0 -13 -19 0 -13 -25 0 -13 -31 0 -13 -37 0 -19 -25 0 -19 -31 0 -19 -37 0 -25 -31 0 -25 -37 0 -31 -37 0 -2 -8 0 -2 -14 0 -2 -20 0 -2 -26 0 -2 -32 0 -2 -38 0 -8 -14 0 -8 -20 0 -8 -26 0 -8 -32 0 -8 -38 0 -14 -20 0 -14 -26 0 -14 -32 0 -14 -38 0 -20 -26 0 -20 -32 0 -20 -38 0 -26 -32 0 -26 -38 0 -32 -38 0 -3 -9 0 -3 -15 0 -3 -21 0 -3 -27 0 -3 -33 0 -3 -39 0 -9 -15 0 -9 -21 0 -9 -27 0 -9 -33 0 -9 -39 0 -15 -21 0 -15 -27 0 -15 -33 0 -15 -39 0 -21 -27 0 -21 -33 0 -21 -39 0 -27 -33 0 -27 -39 0 -33 -39 0 -4 -10 0 -4 -16 0 -4 -22 0 -4 -28 0 -4 -34 0 -4 -40 0 -10 -16 0 -10 -22 0 -10 -28 0 -10 -34 0 -10 -40 0 -16 -22 0 -16 -28 0 -16 -34 0 -16 -40 0 -22 -28 0 -22 -34 0 -22 -40 0 -28 -34 0 -28 -40 0 -34 -40 0 -5 -11 0 -5 -17 0 -5 -23 0 -5 -29 0 -5 -35 0 -5 -41 0 -11 -17 0 -11 -23 0 -11 -29 0 -11 -35 0 -11 -41 0 -17 -23 0 -17 -29 0 -17 -35 0 -17 -41 0 -23 -29 0 -23 -35 0 -23 -41 0 -29 -35 0 -29 -41 0 -35 -41 0 -6 -12 0 -6 -18 0 -6 -24 0 -6 -30 0 -6 -36 0 -6 -42 0 -12 -18 0 -12 -24 0 -12 -30 0 -12 -36 0 -12 -42 0 -18 -24 0 -18 -30 0 -18 -36 0 -18 -42 0 -24 -30 0 -24 -36 0 -24 -42 0 -30 -36 0 -30 -42 0 -36 -42 0