n24
1,2,3,4,5,6,7;
0,8,9,10,11,12,13;
0,3,5,8,14,15,16;
0,2,4,9,14,17,18;
0,3,6,10,17,19,20;
0,2,6,11,15,21,22;
0,4,5,12,19,21,23;
0,13,16,18,20,22,23;
1,2,10,12,18,19,22;
1,3,11,13,16,19,21;
1,4,8,11,15,18,23;
1,5,9,10,16,17,23;
1,6,8,13,14,17,22;
1,7,9,12,14,15,21;
2,3,12,13,15,17,23;
2,5,10,13,14,20,21;
2,7,9,11,19,20,23;
3,4,11,12,14,20,22;
3,7,8,10,21,22,23;
4,6,8,9,16,20,21;
4,7,15,16,17,19,22;
5,6,9,13,15,18,19;
5,7,8,12,17,18,20;
6,7,10,11,14,16,18.