4 3 3 3 3 4 3 3 3 4 4 3 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 1 1 1 1 2 2 2 2 2 2 3.5 3.5 4.5 4.5 4.5 4.5 3 4 3 3.5 3.5 2 1 1 1 1 1 1 2.5 2 4 .