Alphadoku
The ultimate brain rack for the summer holidays

Lots of Elektor Electronics readers have taken a great liking of the Hexadoku puzzle printed for the first time in our January 2006 issue. Feedback from you all indicated that the electronics-oriented Hexadoku was a welcome change from the well established Sudoku puzzle. Despite the varying degree of difficulty of the puzzles we get hundreds of correct solutions every month, a clear sign that lots of Elektor Electronics readers (and their family members) like to exert their brain to the maximum.
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