n72 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; 2,3,33,36,43,44,45; 2,4,32,34,36,46,47; 2,5,31,44,46,48,49; 2,6,30,40,43,47,48; 2,7,29,34,40,45,49; 3,4,32,33,37,39,50; 3,5,35,44,50,51,52; 3,6,29,32,45,47,51; 3,7,34,39,43,47,52; 4,5,38,46,50,53,54; 4,6,36,37,40,45,53; 4,7,30,33,45,47,54; 5,6,41,48,51,53,55; 5,7,42,49,52,54,55; 6,7,29,30,37,39,55; 8,9,18,21,28,56,57; 8,10,17,25,28,58,59; 8,11,16,56,58,60,61; 8,12,15,19,21,59,60; 8,13,14,19,25,57,61; 9,10,15,18,22,59,62; 9,11,20,56,62,63,64; 9,12,14,15,24,57,63; 9,13,19,24,28,59,64; 10,11,23,58,62,65,66; 10,12,19,22,28,57,65; 10,13,17,18,24,57,66; 11,12,26,60,63,65,67; 11,13,27,61,64,66,67; 12,13,14,17,22,59,67; 14,16,20,61,63,67,68; 14,18,21,24,25,59,68; 15,16,23,60,62,63,69; 15,17,21,22,25,57,69; 16,17,26,58,66,67,69; 16,18,27,56,62,66,68; 19,20,23,60,61,64,65; 20,21,26,56,60,68,69; 20,22,27,62,65,67,69; 23,24,26,63,64,66,68; 23,25,27,58,61,68,69; 26,27,28,56,58,64,65; 29,31,35,49,51,55,70; 29,33,36,39,40,47,70; 30,31,38,48,54,55,71; 30,32,34,37,43,45,71; 31,32,41,46,50,51,71; 31,33,42,44,50,54,70; 34,35,38,46,49,52,71; 35,36,41,44,46,53,70; 35,37,42,50,53,55,71; 38,39,41,50,52,55,70; 38,40,42,48,49,53,70; 41,42,43,44,48,52,71; 44,45,49,51,53,54,71; 46,47,48,51,52,54,70; 56,57,61,63,65,66,69; 58,59,60,62,64,67,68.