#950. Reveal Cards In Increasing Order
We need to find out an order of deck which will reveal the cards in increasing order after several steps.
One intuitive way is reverse the steps, suppose there is deck A which has incresing order, and deck B which is empty at first.
(1) Take one card from the bottom of A, put it at the top of B
(2) Take one card from the bottom of B, put it at the top of B