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