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