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