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The Guardian - UK
The Guardian - UK
Science
Alex Bellos

Did you solve it? The pals that broke the internet, ten years on

Albert, Bernard and Cheryl. Maybe.
Albert, Bernard and Cheryl. Maybe. Photograph: OJO Images/Rex Features

Earlier today I set you the following problem featuring Albert, Bernard and Cheryl, the protagonists in a viral puzzle from a decade ago. Here it is again with the solution.

Cheryl’s house number problem

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