. 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 4 4 4 4 4 5 2 2 2 2 . . . 3 3 5 5.5 1.5 0.5 0.5 0.5 0.5 1 - 2 1 - 2 1 - 2 2 - 3 2 - 3 2 - 3 4 2.5 3.5