p cnf 90 216
-1 -2 0
-1 -3 0
-1 -4 0
-1 -5 0
-2 -3 0
-2 -4 0
-2 -5 0
-3 -4 0
-3 -5 0
-4 -5 0
-6 -7 0
-6 -8 0
-6 -9 0
-6 -10 0
-7 -8 0
-7 -9 0
-7 -10 0
-8 -9 0
-8 -10 0
-9 -10 0
-11 -12 0
-11 -13 0
-11 -14 0
-11 -15 0
-12 -13 0
-12 -14 0
-12 -15 0
-13 -14 0
-13 -15 0
-14 -15 0
-16 -17 0
-16 -18 0
-16 -19 0
-16 -20 0
-17 -18 0
-17 -19 0
-17 -20 0
-18 -19 0
-18 -20 0
-19 -20 0
-21 -22 0
-21 -23 0
-21 -24 0
-21 -25 0
-22 -23 0
-22 -24 0
-22 -25 0
-23 -24 0
-23 -25 0
-24 -25 0
-26 -27 0
-26 -28 0
-26 -29 0
-26 -30 0
-27 -28 0
-27 -29 0
-27 -30 0
-28 -29 0
-28 -30 0
-29 -30 0
-31 -32 0
-31 -33 0
-31 -34 0
-31 -35 0
-32 -33 0
-32 -34 0
-32 -35 0
-33 -34 0
-33 -35 0
-34 -35 0
-36 -37 0
-36 -38 0
-36 -39 0
-36 -40 0
-37 -38 0
-37 -39 0
-37 -40 0
-38 -39 0
-38 -40 0
-39 -40 0
-41 -42 0
-41 -43 0
-41 -44 0
-41 -45 0
-42 -43 0
-42 -44 0
-42 -45 0
-43 -44 0
-43 -45 0
-44 -45 0
-46 -47 0
-46 -48 0
-46 -49 0
-46 -50 0
-47 -48 0
-47 -49 0
-47 -50 0
-48 -49 0
-48 -50 0
-49 -50 0
-51 -52 0
-51 -53 0
-51 -54 0
-51 -55 0
-52 -53 0
-52 -54 0
-52 -55 0
-53 -54 0
-53 -55 0
-54 -55 0
-56 -57 0
-56 -58 0
-56 -59 0
-56 -60 0
-57 -58 0
-57 -59 0
-57 -60 0
-58 -59 0
-58 -60 0
-59 -60 0
-61 -62 0
-61 -63 0
-61 -64 0
-61 -65 0
-62 -63 0
-62 -64 0
-62 -65 0
-63 -64 0
-63 -65 0
-64 -65 0
-66 -67 0
-66 -68 0
-66 -69 0
-66 -70 0
-67 -68 0
-67 -69 0
-67 -70 0
-68 -69 0
-68 -70 0
-69 -70 0
-71 -72 0
-71 -73 0
-71 -74 0
-71 -75 0
-72 -73 0
-72 -74 0
-72 -75 0
-73 -74 0
-73 -75 0
-74 -75 0
-76 -77 0
-76 -78 0
-76 -79 0
-76 -80 0
-77 -78 0
-77 -79 0
-77 -80 0
-78 -79 0
-78 -80 0
-79 -80 0
-81 -82 0
-81 -83 0
-81 -84 0
-81 -85 0
-82 -83 0
-82 -84 0
-82 -85 0
-83 -84 0
-83 -85 0
-84 -85 0
-86 -87 0
-86 -88 0
-86 -89 0
-86 -90 0
-87 -88 0
-87 -89 0
-87 -90 0
-88 -89 0
-88 -90 0
-89 -90 0
1 85 34 20 9 0
6 46 59 82 30 0
11 80 28 33 70 0
47 17 36 41 35 0
84 15 23 39 51 0
21 42 54 29 77 0
58 32 71 50 53 0
7 37 55 78 88 0
83 73 43 2 76 0
89 25 48 18 67 0
72 52 5 27 16 0
56 8 44 63 69 0
90 40 31 64 26 0
24 3 68 38 57 0
22 10 65 74 14 0
62 49 4 79 13 0
81 66 75 61 86 0
60 87 19 45 12 0
1 90 14 24 59 0
6 78 53 57 72 0
11 9 65 86 18 0
82 17 13 35 38 0
66 89 23 54 83 0
69 50 15 29 71 0
42 32 10 85 3 0
2 37 70 8 63 0
5 55 43 20 76 0
36 88 48 45 75 0
47 52 61 21 31 0
56 67 46 19 39 0
60 73 80 64 34 0
77 25 68 12 41 0
22 4 16 74 30 0
27 84 49 79 7 0
81 44 62 28 58 0
26 87 51 40 33 0