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