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