. 4 6 5 7 2.5 6 5 4 4 3 4 4 5 3 4 3 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 . . . 0-1 0-1 0-1 2-3 1-2 1-2 1-2 1-2