8 7 6 5 5 5 5 4.5 4 4 4 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 1 1 1 1 1 0.5 1 1 1 0.5 1 1 8.5 3 3 3 4 0.5 . 2-3 2-3 2-3 2-3 2-3 2-3 2-3 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 1-2 3-4 3-4 3-4 3-4 3-4 3-4 3-4