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