. 5 4 3 4 3.5 2.5 1.5 1.5 4 3 3 3 3 3 2 2 2 2.5 1 1 1 1 1 1 1 1 2 2 2 1 2 . . . 1-2 1-2 1-2 1-2 0-1 0-1 0-1 0-1 0-1 0-1 0-1