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