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It's not hard to prove that an unsolvable start exists. Just imagine a start where the only possible first moves would be moving cards to the extra cells. In some versions, -1 and -2 are examples of this though the only way to play them is to choose that seed. If you only count setups which can exist in normal play, seed 11982 in the Windows version is an ...


This is regarding the game that when played with 1 deck uses 7 build piles. The earliest recorded rules for this game appear in two different books from 1894 both refer to the game as Triangle. In one version only a single card can be moved and in the other entire sequences may be moved. Partial sequence movement was first recorded in a 2 deck version named ...

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