. 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 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 3 3 3 3 3 3 3 3 3 4 4 4 5 . 3.5 6 3.5 4 2.5 0.5 0.5 1.5 1.5 1 - 2 1 - 2 1 - 2 1 - 2 2 - 3 2 - 3 2 - 3 1.5 0.5