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