230.--THE TWELVE PENNIES.

From Amusements in Mathematics by Henry Ernest Dudeney.

Here is one of several solutions. Move 12 to 3, 7 to 4, 10 to 6, 8 to 1, 9 to 5, 11 to 2.

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230.--THE TWELVE PENNIES.: Amusements in Mathematics by Henry Ernest Dudeney | amphi