7 8 6 6 5 5 5 4 4 4 4 4 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 3.5 3 2.5 6 9 6 7 5 5 5 4 4 4 2 2.5 2.5 2.5 2.5 3 2 1 1 1 0.5 0.5 0.5 0.5 0.5 1.5 1.5 1.5 1.5 1 1 . 3 3 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 4 4 4 4 4 5 5 5 6 6