n16 1,2,3,4,5,6; 0,2,6,7,8,9; 0,1,3,7,10,11; 0,2,5,10,12,13; 0,5,6,11,14,15; 0,3,4,8,12,14; 0,1,4,9,13,15; 1,2,8,11,12,15; 1,5,7,9,12,14; 1,6,8,10,13,14; 2,3,9,11,13,14; 2,4,7,10,14,15; 3,5,7,8,13,15; 3,6,9,10,12,15; 4,5,8,9,10,11; 4,6,7,11,12,13.