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