. 1 1 1 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 3 2 2 2 2 1 3 2 2 2 2 2 2 2 3 3 3 3 3 4 4 4 5 5 4 4 3.5 6 3.5 4 4.5 3.5 2 3 2.5 5.5 . . .