7 6 6 6 5 5 5 5 4 4 3 3 3 3 2 2 2 2 2 2 2 2 8 8.5 7 2.5 0.5 0.5 0.5 3 2 2 1 1 1 1 1 1 1 1 1 1 2 2 2 1 1 2 2.5 2 . 0.5-1 0.5-1 0.5-1 0.5-1 0.5-1 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 2-2.5 2-3 2-3 2-3 2-3 2-3 2-3