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