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