. 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 3 4 4 4 4 4 4 4 5 3 3 3 3 5 6 6 7 7 7 7.5 7.5 5.5 1.5 3.5 4.5 4.5 2.5 2 5 . . .