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