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