4 4 5 5.5 3 3 2 4 4 4 4 4 4 3 3 3 3 2 2 2 2 2 2 2 2 2 1 2 2.5 5 5 6 6 7 4 3 3 2 2 1 2 2 1 3.5 5 4.5 7.5 3 2 1.5 1 3 1 1 1 1 1 1.5 .