- on Education & Information
- Published in issue 4/2012 on page 76
Hexadoku, April 2012
Puzzle with an electronics touch
Here’s your monthly mission to keep the grey matter active. Hexadoku is the surest way to practice deep thinking, reduction, deduction and recombination. Get cracking, enter the right numbers in the puzzle (free download) Next, send the ones in the grey boxes to us and you automatically enter the prize draw for one of four Elektor Shop vouchers.