n48 1,2,3,4,5,6,7; 0,2,5,8,9,10,11; 0,1,5,12,13,14,15; 0,8,12,16,17,18,19; 0,9,13,16,20,21,22; 0,1,2,17,20,23,24; 0,10,14,18,21,23,25; 0,11,15,19,22,24,25; 1,3,13,20,26,27,28; 1,4,15,24,26,29,30; 1,6,12,17,27,29,31; 1,7,14,23,28,30,31; 2,3,10,23,28,32,33; 2,4,8,17,29,32,34; 2,6,11,24,29,33,35; 2,7,9,20,28,34,35; 3,4,26,32,36,37,38; 3,5,10,13,21,36,39; 3,6,27,33,37,39,40; 3,7,20,21,23,38,40; 4,5,8,15,19,36,41; 4,6,17,19,24,38,40; 4,7,30,34,37,40,41; 5,6,11,12,19,39,42; 5,7,9,14,21,41,42; 6,7,31,35,37,38,42; 8,9,16,34,41,43,44; 8,10,18,32,36,43,45; 8,11,12,15,29,44,45; 9,10,13,14,28,44,45; 9,11,22,35,42,43,45; 10,11,25,33,39,43,44; 12,13,16,27,39,44,46; 12,14,18,31,42,45,46; 13,15,22,26,36,45,46; 14,15,25,30,41,44,46; 16,17,20,27,34,40,47; 16,18,22,25,43,46,47; 16,19,21,25,39,40,41; 17,18,23,31,32,38,47; 18,19,21,22,36,38,42; 20,22,24,26,35,38,47; 23,24,25,30,33,40,47; 26,27,30,31,37,46,47; 26,28,29,31,32,35,45; 27,28,29,30,33,34,44; 32,33,34,35,37,43,47; 36,37,39,41,42,43,46.