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