n48
1,2,3,4,5,6,7,8;
0,3,4,9,10,11,12,13;
0,6,7,9,14,15,16,17;
0,1,6,10,18,19,20,21;
0,1,7,11,22,23,24,25;
0,12,14,18,22,26,27,28;
0,2,3,15,19,23,26,29;
0,2,4,16,20,24,27,30;
0,13,17,21,25,28,29,30;
1,2,10,11,15,16,31,32;
1,3,9,15,18,24,27,38;
1,4,9,16,19,22,26,40;
1,5,20,23,26,27,31,43;
1,8,21,25,32,38,40,43;
2,5,18,19,22,24,31,41;
2,6,9,10,22,23,27,42;
2,7,9,11,18,20,26,45;
2,8,29,30,32,41,42,45;
3,5,10,14,16,19,27,35;
3,6,11,14,18,23,31,33;
3,7,12,16,24,26,31,37;
3,8,13,29,33,35,37,38;
4,5,11,14,15,24,26,39;
4,6,12,15,19,27,31,36;
4,7,10,14,20,22,31,46;
4,8,13,30,36,39,40,46;
5,6,11,12,16,20,22,44;
5,7,10,12,15,18,23,34;
5,8,34,35,39,41,43,44;
6,8,17,21,33,36,42,44;
7,8,17,25,34,37,45,46;
9,12,14,19,20,23,24,47;
9,13,17,38,40,42,45,47;
19,21,29,35,36,40,41,47;
27,28,30,35,36,38,42,43;
18,21,28,33,34,38,41,45;
23,25,29,33,34,42,43,47;
20,21,30,43,44,45,46,47;
10,13,21,32,34,35,42,46;
22,25,28,40,41,42,44,46;
11,13,25,32,33,39,44,45;
14,17,28,33,35,39,46,47;
15,17,29,32,34,36,38,39;
12,13,28,34,36,37,44,47;
26,28,29,37,39,40,43,45;
16,17,30,32,35,37,40,44;
24,25,30,37,38,39,41,47;
31,32,33,36,37,41,43,46.