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