n48
1,2,3,4,5,6,7,8;
0,6,7,9,10,11,12,13;
0,5,7,14,15,16,17,18;
0,4,6,14,19,20,21,22;
0,3,5,9,19,23,24,25;
0,2,4,10,15,23,26,27;
0,1,3,11,16,20,26,28;
0,1,2,12,17,21,24,29;
0,13,18,22,25,27,28,29;
1,4,14,18,26,29,30,40;
1,5,18,24,28,35,43,45;
1,6,12,20,36,40,44,45;
1,7,11,17,30,34,43,44;
1,8,14,16,21,34,35,36;
2,3,9,13,26,29,31,33;
2,5,17,23,33,41,44,45;
2,6,13,21,27,35,45,46;
2,7,12,15,31,38,44,46;
2,8,9,10,24,35,38,41;
3,4,20,23,30,31,42,44;
3,6,11,19,32,33,44,46;
3,7,13,16,25,34,42,46;
3,8,24,28,29,30,32,34;
4,5,15,19,39,40,43,44;
4,7,10,18,22,38,42,43;
4,8,21,27,29,31,38,39;
5,6,9,14,33,35,37,40;
5,8,16,25,28,37,39,41;
6,8,10,22,27,32,36,37;
7,8,9,14,22,25,30,31;
9,12,19,22,29,32,38,40;
14,17,19,25,29,33,34,39;
20,22,28,30,37,40,43,47;
14,15,20,26,31,36,37,39;
12,13,21,22,31,36,42,47;
10,13,16,18,26,36,41,45;
11,13,28,33,34,35,41,47;
26,27,28,32,33,39,40,45;
17,18,24,25,30,41,42,47;
23,25,27,31,33,37,46,47;
9,11,23,26,30,32,37,41;
15,18,27,35,36,38,40,47;
19,21,24,34,38,43,46,47;
10,12,23,24,32,42,45,46;
11,12,15,17,19,20,23,47;
10,11,15,16,35,37,43,46;
16,17,20,21,39,42,43,45;
32,34,36,38,39,41,42,44.