V = (0:-1)[11:5:5] (1:-1)[16:0:0] (2:-1)[44:16:16] (3:-1)[35:27:27] (4:-1)[0:13:13] (5:-1)[43:19:19] (6:-1)[1:0:0] (7:-1)[33:23:23] (8:-1)[20:0:0] (9:-1)[38:6:6] (10:-1)[25:0:0] (11:-1)[39:31:31] (12:-1)[17:39:39] (13:-1)[19:29:29] (14:-1)[29:20:20] (15:-1)[36:0:0] (16:-1)[7:3:3] (17:-1)[8:30:30] (18:-1)[2:1:1] (19:-1)[24:33:33] (20:-1)[31:41:41] (21:-1)[22:11:11] (22:-1)[30:24:24] (23:-1)[21:40:40] (24:-1)[23:34:34] (25:-1)[34:32:32] (26:-1)[15:38:38] (27:-1)[13:26:26] (28:-1)[0:15:15] (29:-1)[14:0:0] (30:-1)[0:0:0] (31:-1)[5:2:2] (32:-1)[6:14:14] (33:-1)[41:37:37] (34:-1)[18:42:42] (35:-1)[32:9:9] (36:-1)[3:28:28] (37:-1)[0:18:18] (38:-1)[40:17:17] (39:-1)[28:25:25] (40:-1)[42:21:21] (41:-1)[9:35:35] (42:-1)[26:43:43] (43:-1)[37:36:36] (44:-1)[0:4:4] (45:-1)[12:44:44] (46:-1)[27:10:10] (47:-1)[10:7:7] (48:-1)[0:8:8] (49:-1)[4:22:22] (50:-1)[0:12:12] E = {1,0} (-1) {7,0} (-1) {2,1} (-1) {8,1} (-1) {3,2} (-1) {9,2} (-1) {4,3} (-1) {10,3} (-1) {11,4} (-1) {6,5} (-1) {13,5} (-1) {8,7} (-1) {15,7} (-1) {9,8} (-1) {16,8} (-1) {10,9} (-1) {11,10} (-1) {17,10} (-1) {12,11} (-1) {13,12} (-1) {18,12} (-1) {14,13} (-1) {16,15} (-1) {20,16} (-1) {22,18} (-1) {26,20} (-1) {22,21} (-1) {29,21} (-1) {23,22} (-1) {30,22} (-1) {24,23} (-1) {31,23} (-1) {26,25} (-1) {33,25} (-1) {27,26} (-1) {34,26} (-1) {28,27} (-1) {35,27} (-1) {29,28} (-1) {36,28} (-1) {30,29} (-1) {37,29} (-1) {31,30} (-1) {38,30} (-1) {32,31} (-1) {39,31} (-1) {34,33} (-1) {35,34} (-1) {41,34} (-1) {36,35} (-1) {42,35} (-1) {37,36} (-1) {38,37} (-1) {39,38} (-1) {43,38} (-1) {40,39} (-1) {44,39} (-1) {42,41} (-1) {46,42} (-1) {44,43} (-1) {48,43} (-1) {45,44} (-1) {49,44} (-1) {14,6} (-1) {19,14} (-1) {24,19} (-1) {32,24} (-1) {40,32} (-1) {45,40} (-1) {50,45} (-1) {48,47} (-1) {49,48} (-1) {50,49} (-1)