OFF 16 9 0 0 0 0 1 0 0 2 0 0 3 0 0 0 1 0 1 1 1 2 1 1 3 1 0 0 2 0 1 2 1 2 2 1 3 2 0 0 3 0 1 3 0 2 3 0 3 3 0 4 0 1 5 4 4 1 2 6 5 4 2 3 7 6 4 4 5 9 8 4 5 6 10 9 4 6 7 11 10 4 8 9 13 12 4 9 10 14 13 4 10 11 15 14