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