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Play online Sam Lloyd's "15" puzzle. The funny story of this game. Mathematical implications of this game. Some funny logical problems with the 15 game. 15-game free download. Game 15 is similar to world known logic game. You should place pieces by way of following numbers from 1 up to 15.
15 Puzzle - Sam Lloyd's logical game to play online. Play online Sam Lloyd's "15" puzzle. The funny story and mathematical implications of this game. Some funny logical problems wi ...