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