• on Education & Information
  • Published in issue 9/2013 on page 74
About the article

Hexadoku

Puzzle with an electronics touch

Hexadoku
It’s irrelevant if it takes you 20 minutes or 3 weeks to solve our popular Hexadoku puzzle—what matters is the achievement of actually solving this brain teaser. If you believe you are successful at finding the solution in the gray boxes, submit it to us online, and you automatically enter the prize draw for one of four vouchers.
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