- on Education & Information
- Published in issue 7/2012 on page 138
Puzzle with an electronics touch
Argh, what on earth is this five-headed monster? Has its designer been on hallucinogenic substances? Or is it a page layout error, a jumble of grids that just seem to have landed up here on top of one another? No such error — take a closer look, there are five interlocking grids, not four. That’s why we called it Penta-Hexadoku.