7 3 3 1 3 3 1 6 1 3 3 1 6 1 3 3 1 3 1 1 1 1 2 1 1 1 1 1 0 2 1 7 7 3 1 3 3 1 3 4 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 7 0 0 0 0 0 0 0 0 0