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