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