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