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