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