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