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