n88
1,2,3,4,5,6,7,8;
0,9,10,11,12,13,14,15;
0,9,16,17,18,19,20,21;
0,10,16,22,23,24,25,26;
0,11,17,22,27,28,29,30;
0,12,18,23,27,31,32,33;
0,13,19,24,28,31,34,35;
0,14,20,25,29,32,34,36;
0,15,21,26,30,33,35,36;
1,2,37,38,39,40,41,42;
1,3,42,56,57,58,62,63;
1,4,38,53,54,57,66,67;
1,5,39,48,54,55,58,59;
1,6,40,51,59,62,65,66;
1,7,41,48,49,63,65,67;
1,8,37,49,51,53,55,56;
2,3,37,46,47,50,53,57;
2,4,39,49,50,55,67,68;
2,5,38,52,53,55,61,64;
2,6,42,52,57,60,65,67;
2,7,40,46,64,65,68,69;
2,8,41,47,49,60,61,69;
3,4,37,42,45,52,54,55;
3,5,44,45,47,59,61,62;
3,6,50,54,59,63,67,70;
3,7,44,52,53,56,67,68;
3,8,46,55,58,61,68,70;
4,5,37,38,43,47,48,49;
4,6,39,42,48,63,66,71;
4,7,43,50,52,57,63,64;
4,8,45,47,53,64,68,71;
5,6,37,39,44,50,51,52;
5,7,45,49,50,53,54,69;
5,8,43,51,58,62,64,69;
6,7,37,40,48,54,56,57;
6,8,44,56,60,62,70,71;
7,8,37,41,43,44,45,46;
9,15,16,22,27,31,34,36;
9,11,18,27,72,73,74,77;
9,12,17,28,31,72,75,76;
9,13,20,34,74,75,78,79;
9,14,21,36,76,77,78,80;
9,10,19,22,28,73,79,80;
27,29,33,36,77,81,82,83;
23,25,31,35,36,76,81,84;
22,23,30,32,36,80,82,85;
16,20,26,36,78,83,84,85;
16,21,23,27,30,74,78,81;
12,14,27,28,34,73,78,83;
14,15,17,21,27,32,72,82;
16,17,24,29,31,32,81,85;
13,15,31,33,75,82,84,85;
18,19,22,25,29,31,72,82;
11,15,16,18,25,30,32,84;
11,12,22,24,32,34,72,79;
12,15,17,18,22,26,73,85;
10,15,25,34,35,72,73,75;
10,11,16,19,29,34,74,83;
10,12,26,33,75,79,83,86;
12,13,23,24,76,78,85,86;
19,21,35,72,74,76,79,86;
18,21,23,26,77,82,84,86;
10,13,23,33,35,74,77,80;
10,14,24,28,29,72,77,86;
18,20,29,30,33,74,85,86;
13,14,19,20,80,82,83,86;
11,13,28,76,77,79,83,84;
11,14,17,19,24,25,73,76;
17,20,25,26,30,75,81,82;
20,21,32,33,79,80,81,84;
24,26,35,73,77,78,79,81;
28,30,35,75,78,80,84,86;
38,39,49,52,54,56,60,63;
38,42,48,55,56,67,70,87;
38,40,47,57,60,62,64,87;
39,40,51,56,58,68,71,87;
39,41,44,59,60,66,67,87;
38,41,43,61,62,63,66,70;
40,41,46,47,48,59,70,71;
40,42,54,58,60,66,69,70;
41,42,45,62,65,69,71,87;
43,44,47,50,68,69,70,87;
43,45,49,51,52,61,65,68;
43,46,48,57,58,65,66,87;
44,46,51,53,61,66,69,71;
45,46,50,51,55,59,64,87;
58,59,60,61,63,64,65,71;
73,74,75,76,80,81,83,85.