- on Education & Information
- Published in issue 12/2012 on page 78
Hexadoku, December 2012
Puzzle with an electronics touch
In the rare case of not being out about buying presents or clearing snow (Aussies: BBQ’ing on the beach), why not relax for a while with this new Hexadoku brain teaser. Enter the right numbers or letters A-F in the open boxes, find the solution in the grey boxes, send it to us and you automatically enter the prize draw for one of four Elektor Shop vouchers.