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