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