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