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