n42
1,2,3,4,5,6,7,8;
0,9,10,11,12,13,14,15;
0,4,6,9,16,17,18,19;
0,5,7,10,16,20,21,22;
0,2,8,11,17,20,23,24;
0,3,6,12,21,23,25,26;
0,2,5,13,18,25,27,28;
0,3,8,14,19,22,27,29;
0,4,7,15,24,26,28,29;
1,2,16,18,20,30,31,32;
1,3,16,17,22,23,33,37;
1,4,17,24,30,34,35,36;
1,5,20,24,25,26,33,39;
1,6,18,25,34,37,38,40;
1,7,22,29,31,35,39,40;
1,8,23,26,29,32,36,38;
2,3,9,10,17,21,27,30;
2,4,10,11,16,28,34,37;
2,6,9,13,23,32,37,41;
2,7,21,24,25,31,34,41;
3,4,9,12,29,36,37,40;
3,5,16,19,26,28,30,36;
3,7,10,14,25,28,33,40;
4,5,10,15,18,30,39,40;
4,8,11,12,19,26,35,39;
5,6,12,13,19,22,33,40;
5,8,12,15,21,24,27,36;
6,7,16,26,32,33,34,35;
6,8,17,21,22,35,38,41;
7,8,14,15,20,32,39,41;
9,11,16,21,23,31,35,36;
9,14,19,30,32,35,38,40;
9,15,18,27,29,31,38,41;
10,12,22,25,27,37,39,41;
11,13,17,19,27,36,37,38;
11,14,24,27,28,30,31,39;
11,15,20,21,26,30,34,38;
10,13,17,18,20,33,34,41;
13,15,28,31,32,34,36,40;
12,14,23,24,29,33,35,41;
13,14,20,22,23,25,31,38;
18,19,28,29,32,33,37,39.