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