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Gizmodo Monday Puzzle: This Devilishly Hard Logic Puzzle Will Save Your Life

Image: Photo: Shutterstock Graphics: Vicky Leta
Image: Photo: Shutterstock Graphics: Vicky Leta

This week’s puzzle is difficult. Not because it has an exceedingly complicated solution, but because the idea that underlies it is deep and ingenious. I only know of one method to solve it, but I’m curious whether alternative approaches exist. Feel free to spitball half-baked ideas in the comments. You might find working together on solutions an enriching experience. But also, your life depends on it. – Jack Murtagh Read More