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