Do you fancy yourself a puzzler? A code breaker? A cunning linguist? Your services may be required in France.
A village in northwest France has offered a reward of 2,000 euros ($2,240) for anyone who can decrypt the series of letters and symbols chiseled into a boulder near town.
Located on a beach near the village of Plougastel-Daoulas, Brittany, and only visible at low tide, the stone was rediscovered three or four years ago but is believed to have been inscribed more than 200 years before. According to the French news site AFP.com, one side of the rock is completely adorned in jumbled capital letters; symbols including a picture of a sailboat and a heart; and the dates 1786 and 1787. [Are There Secret Codes in the Mona Lisa?]
Véronique Martin, a town official, told AFP that those dates correspond to the construction of several artillery batteries built to protect a nearby fort.
Whether this information has anything to do with the mysterious inscription has baffled visiting academics and amateur code breakers for years. Now, the town has opened the puzzle to the public, giving folks until Nov. 30 to submit their guesses. A jury will decide which interpretation is most likely and award the 2,000 euro prize after that, AFP reported.
According to AFP, the legible parts of the inscription read: "ROC AR B ... DRE AR GRIO SE EVELOH AR VIRIONES BAOAVEL ... R I OBBIIE: BRISBVILAR ... FROIK … AL."
Town officials told AFP that the contest rules and submission information are available at Plougastel-Daoulas' town hall. They have not said whether international puzzlers will be able to submit their answers online.
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Originally published on Live Science.