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