Have you ever tried your hand at those puzzles where you are asked to draw a figure without lifting your pencil or redrawing the same stretch of line? What if I were to tell you that all these problems have a simple observation that will hand you the answer? Or that the secret lies in viewing them as networks.
Daniel Finkel points you in the right direction…
See below for this week’s puzzle. It’s a classic for sure, and one of the first puzzles I ever encountered as a child.
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