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