The Hexagonal Tortoise Problem

In the 17th century, Korean aristocrat Choi Seok-jeong proposed a puzzle inspired by the pattern on a tortoise shell: Can you assign the numbers 1 to 30 to the vertices in this diagram so that each hexagon bears the same sum?

https://commons.wikimedia.org/wiki/File:Hexagonal-tortoise-problem.png — Image: Wikimedia Commons

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Image: Wikimedia Commons

October 10, 2018 | Puzzles