1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3 3 4 4 . 5 4.5 4.5 3.5 3.5 3 3 3 2.5 1 1 1.5 1.5 1.5 2 0 0.5 1