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