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