How did CVS re-stock its prime-location shelves where cigarettes once reigned?

In Feb., retailer CVS announced that it would stop selling cigarettes in its 7,700+ stores.
By Sept., a month ahead of schedule, the cigarettes had indeed been pulled from the shelves. Company officials estimated the move would cost $ 2 billion in annual revenue.
It was a...
How did CVS re-stock its prime-location shelves where cigarettes once reigned?