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