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