In Puzzleland


by Sam Loyd

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A square of nine coins shown in the illustration contains eight rows of three coins each (indicated with the lines) - three horizontal rows, three vertical rows and two main diagonals.

The object is to move the minimum possible number of coins to new positions so that to form ten rows of three coins each.

Last Updated: April 15, 2013
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Coin Exchange   Four Stacks
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