n80
40,41,42,43;
44,45,46,47;
48,49,50,51;
52,53,54,55;
40,44,48,52;
40,56,57,58;
40,59,60,61;
44,62,63,64;
48,65,66,67;
52,68,69,70;
44,71,72,73;
52,74,75,76;
48,77,78,79;
41,45,49,53;
41,62,65,68;
41,71,74,77;
45,59,69,78;
49,60,63,75;
53,61,66,72;
45,56,67,76;
53,57,64,79;
49,58,70,73;
42,46,50,54;
42,64,67,70;
42,72,75,78;
46,60,68,79;
50,61,62,76;
54,59,65,73;
46,58,66,74;
54,56,63,77;
50,57,69,71;
43,47,51,55;
43,63,66,69;
43,73,76,79;
47,61,70,77;
51,59,64,74;
55,60,67,71;
47,57,65,75;
55,58,62,78;
51,56,68,72;
0,4,5,6;
0,13,14,15;
0,22,23,24;
0,31,32,33;
1,4,7,10;
1,13,16,19;
1,22,25,28;
1,31,34,37;
2,4,8,12;
2,13,17,21;
2,22,26,30;
2,31,35,39;
3,4,9,11;
3,13,18,20;
3,22,27,29;
3,31,36,38;
5,19,29,39;
5,20,30,37;
5,21,28,38;
6,16,27,35;
6,17,25,36;
6,18,26,34;
7,14,26,38;
7,17,29,32;
7,20,23,35;
8,14,27,37;
8,18,28,32;
8,19,23,36;
9,14,25,39;
9,16,30,32;
9,21,23,34;
10,15,30,36;
10,18,24,39;
10,21,27,33;
11,15,28,35;
11,17,24,37;
11,19,26,33;
12,15,29,34;
12,16,24,38;
12,20,25,33.