7 6 5 5 5 4 4 4 4.5 5.5 7.5 5 5 4.5 6 4 4 4 4 3 3 3 3 3 3 3 3 3 3 3 3 2.5 1 1 2 2 1 1 1 1 2 1 2 2 1 2 2 2 2 2 2 2 2 2 2 2 . 2-3 2-3 2-3 2-3 2-3 2-3 2-3 2-3 2-3 3-4 3-4 3-4 3-4 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 0.5-1