7 6 5 4 4 4 4 3 3 3 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 2 2 2 2 2 1 2 1 1 1 1 1 1 2 2 4 8 0.5 3.5 4 3.5 1.5 3 1 1.5 1 1 2 1 1 3.5 1 3 1 . . 1-2 1-2 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 0-1 0-1 3-4 3-4