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