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