n64
1,2,3,4,5,6;
0,7,8,9,10,11;
0,7,12,13,14,15;
0,8,12,16,17,18;
0,9,13,16,19,20;
0,10,14,17,19,21;
0,11,15,18,20,21;
1,2,22,23,24,25;
1,3,22,26,27,28;
1,4,23,26,29,30;
1,5,24,27,29,31;
1,6,25,28,30,31;
2,3,22,32,33,34;
2,4,23,32,35,36;
2,5,24,33,35,37;
2,6,25,34,36,37;
3,4,26,32,38,39;
3,5,27,33,38,40;
3,6,28,34,39,40;
4,5,29,35,38,41;
4,6,30,36,39,41;
5,6,31,37,40,41;
7,8,12,42,43,44;
7,9,13,42,45,46;
7,10,14,43,45,47;
7,11,15,44,46,47;
8,9,16,42,48,49;
8,10,17,43,48,50;
8,11,18,44,49,50;
9,10,19,45,48,51;
9,11,20,46,49,51;
10,11,21,47,50,51;
12,13,16,42,52,53;
12,14,17,43,52,54;
12,15,18,44,53,54;
13,14,19,45,52,55;
13,15,20,46,53,55;
14,15,21,47,54,55;
16,17,19,48,52,56;
16,18,20,49,53,56;
17,18,21,50,54,56;
19,20,21,51,55,56;
22,23,26,32,57,58;
22,24,27,33,57,59;
22,25,28,34,58,59;
23,24,29,35,57,60;
23,25,30,36,58,60;
24,25,31,37,59,60;
26,27,29,38,57,61;
26,28,30,39,58,61;
27,28,31,40,59,61;
29,30,31,41,60,61;
32,33,35,38,57,62;
32,34,36,39,58,62;
33,34,37,40,59,62;
35,36,37,41,60,62;
38,39,40,41,61,62;
42,43,45,48,52,63;
42,44,46,49,53,63;
43,44,47,50,54,63;
45,46,47,51,55,63;
48,49,50,51,56,63;
52,53,54,55,56,63;
57,58,59,60,61,62.