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Monday, December 7, 2015

Problem of the Week

Here's a Problem of the Week based on a puzzle you might have heard of before, with a slight twist to make it more interesting. Have a go at it!


Like always, I've written up a solution to this problem, which you can read below. 





Did you find the answer a different way? Was a result like this what you expected? Let us know in the comments section!

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