6 6 5 5 5 5 5 5 4 4 4 4 4 4 4 4 4 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 1 1 1 2 . 3 3 7 5 7.5 3 6 5.5 1.5 2 2 2.5 0.5 1 0.5 0.5 2.5