n32
1,2,3,4,5,6,7;
0,2,7,8,9,10,11;
0,1,6,8,12,13,14;
0,6,7,15,16,17,18;
0,9,12,15,19,20,21;
0,10,13,16,19,22,23;
0,2,3,14,17,20,22;
0,1,3,11,18,21,23;
1,2,11,12,20,24,25;
1,4,13,19,21,24,26;
1,5,14,22,23,25,26;
1,7,8,18,19,20,22;
2,4,8,13,22,25,27;
2,5,9,12,14,27,28;
2,6,10,13,17,24,28;
3,4,16,18,22,26,29;
3,5,15,17,21,26,28;
3,6,14,16,23,28,30;
3,7,11,15,20,29,30;
4,5,9,11,21,25,29;
4,6,8,11,18,24,30;
4,7,9,16,19,27,30;
5,6,10,11,12,15,23;
5,7,10,17,22,27,29;
8,9,14,20,25,30,31;
8,10,12,19,24,27,31;
9,10,15,16,28,29,31;
12,13,21,23,25,28,31;
13,14,16,17,26,27,31;
15,18,19,23,26,30,31;
17,18,20,21,24,29,31;
24,25,26,27,28,29,30.