Hexadoku (1)

If you like solving puzzles, no doubt you have noticed the recent hype around the ‘Sudoku’ puzzle. Millions of people every day rack their brains arranging numbers 1 thorough 9 in a diagram. Elektor Electronics now presents its own version of the Sudoku, the Hexadoku. Our monthly puzzle challenge employs the hexadecimal numbers 0 through F, rather than just numbers 1-9 usually found in the daily papers.