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