This is a solitaire game where you need to remove all cards from the game area placing them on the bottom card. You can do so when a card you're removing is one rank higher or 1 rank lower than the card at the bottom. This card will become the bottom card and you can place the next card on its top. If you don't have any options you can use the next card from the deck, but remember that the number of cards there is limited.
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