7 6 5 4 4 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 4 2 2 2 2 3 3 4 5 3 2 1 1 1 1 1 1 2 1 1 1 1 1 2 3 3 5 5.5 4.5 1 1 0.5 1 1 1 1 7.5 .