6 6.5 6 5 5 4 4 4 4 4 5 3 3 3 3 4.5 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 1 1 1 0.5 1 1.5 1 1 1 1 3 2 2 1 2 1 1 1 1 2 1 2 1 2.5 2 . 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 2-3 2-3 2-3 2-3 2-3 2-3 2-3 2-3 3-4 3-4 3-4 3-4 3-4 2-3