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