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