6 5 4 4 4 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 1 1 1 1 1 1 1 1 1 2 2 1 3 1 1 4 3.5 3 2.5 7 4 3 1 2 1.5 1.5 4.5 1.5 1.5 3 1 4.5 . 0-1 0-1 1-2 1-2 1-2 1-2 1-2 1-2 2-3 2-3 2-3 2-3 2-3 3-4 4-5