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