n26
1,2,3,4,5,6,7,8,9,10;
0,2,3,4,11,12,13,14,15,16;
0,1,3,5,11,17,18,19,20,21;
0,1,2,6,12,17,22,23,24,25;
0,1,7,8,13,14,18,19,22,23;
0,2,7,9,13,15,20,21,22,24;
0,3,7,10,15,16,18,20,23,25;
0,4,5,6,14,16,19,21,24,25;
0,4,9,10,12,15,17,19,21,23;
0,5,8,10,11,12,13,18,24,25;
0,6,8,9,11,14,16,17,20,22;
1,2,9,10,14,16,18,21,23,24;
1,3,8,9,14,15,19,20,24,25;
1,4,5,9,15,16,17,18,22,25;
1,4,7,10,11,12,20,21,22,25;
1,5,6,8,12,13,16,20,21,23;
1,6,7,10,11,13,15,17,19,24;
2,3,8,10,13,16,19,21,22,25;
2,4,6,9,11,13,19,20,23,25;
2,4,7,8,12,16,17,18,20,24;
2,5,6,10,12,14,15,18,19,22;
2,5,7,8,11,14,15,17,23,25;
3,4,5,10,13,14,17,20,23,24;
3,4,6,8,11,15,18,21,22,24;
3,5,7,9,11,12,16,19,22,23;
3,6,7,9,12,13,14,17,18,21.