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