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