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