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