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