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