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