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Seven Devils is a solitaire game in the style of Canfield played with two decks of playing cards. It is considered to be a very difficult solitaire game.
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1-414: Two decks (104 cards) are used. Twenty-eight cards are dealt out to seven diminishing columns with the bottom card of each column face up, and a further seven cards (the "devils") are dealt face up to the right of the columns. The aim is to move all the cards into thirteen-card sequences on the goal piles (at the right of the board), ascending in sequence and following suit, starting with the aces. Cards on