4 3 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 4.5 4 3.5 3.5 2 2.5 2.5 2.5 2.5 1 1 1 2.5 2 1.5 0.5 0.5 0.5 0.5 0.5 1 0.5 0.5 1.5 - 2 1.5 - 2 1.5 - 2 1.5 - 2 1.5 - 2 4 3 3 3 3 2 2 2 2 2 1 1 1 1