7 6 5 5 5 4 4 4 4 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 1 1 2 1 1 1 1 . 7.5 7 1.5 0.5 2.5 4 3.5 3 5 4 0.5 0 1.5 1.5