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