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