7 8 7.5 7 5 6 4.5 2.5 2 6 6 5 5 5 5 5 4 4 4 4 4 4 4 4 4 2 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 2 2 3 4 2 1 1 1 0.5 0.5 2.5 1 1 1 3 . 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 4-5 4-5 4-5 4-5