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