n64
1,2,3,4,5,6,7,8;
0,4,7,9,10,11,12,13;
0,9,14,15,16,17,18,19;
0,10,14,20,21,22,23,24;
0,1,5,11,15,20,25,26;
0,4,6,16,21,25,27,28;
0,5,7,17,22,27,29,30;
0,1,6,12,18,23,29,31;
0,13,19,24,26,28,30,31;
1,2,25,27,29,32,33,34;
1,3,15,18,21,22,27,39;
1,4,12,20,21,32,43,49;
1,7,11,22,23,33,46,49;
1,8,26,31,34,39,43,46;
2,3,16,17,27,35,37,40;
2,4,10,20,25,35,41,47;
2,5,14,17,20,32,48,50;
2,6,14,16,23,33,47,51;
2,7,10,23,29,37,44,48;
2,8,34,40,41,44,50,51;
3,4,11,15,16,42,47,49;
3,5,10,11,22,35,48,52;
3,6,10,12,21,37,47,53;
3,7,12,17,18,45,48,49;
3,8,39,40,42,45,52,53;
4,5,9,15,27,32,35,36;
4,8,13,28,36,41,42,43;
5,6,9,10,14,25,29,54;
5,8,26,30,36,50,52,54;
6,7,9,18,27,33,37,38;
6,8,28,31,38,51,53,54;
7,8,13,30,38,44,45,46;
9,11,16,25,33,35,55,56;
9,12,17,29,32,37,55,57;
9,13,19,36,38,54,56,57;
14,15,21,25,32,47,55,58;
25,26,28,34,41,54,56,58;
14,18,22,29,33,48,55,59;
29,30,31,34,44,54,57,59;
10,13,24,41,44,52,53,54;
14,19,24,50,51,54,58,59;
15,19,26,36,39,42,58,60;
20,24,26,41,43,50,60,61;
11,13,26,42,46,52,56,61;
18,19,31,38,39,45,59,62;
23,24,31,44,46,51,61,62;
12,13,31,43,45,53,57,61;
15,17,20,22,35,49,55,60;
16,18,21,23,37,49,55,62;
11,12,20,23,47,48,55,61;
16,19,28,40,42,51,56,62;
17,19,30,40,45,50,57,60;
21,24,28,39,43,53,58,62;
22,24,30,39,46,52,59,60;
27,28,30,34,36,38,39,40;
32,33,35,37,47,48,49,63;
32,34,36,43,50,57,58,63;
33,34,38,46,51,56,59,63;
35,36,40,41,52,56,60,63;
37,38,40,44,53,57,62,63;
41,42,47,51,53,58,61,63;
42,43,45,46,49,60,62,63;
44,45,48,50,52,59,61,63;
55,56,57,58,59,60,61,62.