Hexadoku: Sudoku with a hexadecimal twist - Paperback
by Keith Elder (Author)
Hexadoku is a challenging variant of sudoku that uses the set of sixteen hexadecimal digits, instead of the traditional nine. It is played on a 16x16 grid, which means there are over three times the number of cells that need to be filled in No knowledge of hexadecimal is needed to play... just a bit of logic and a sharp pencil. (This book contains three hundred hexadoku puzzles grouped into four difficulty levels.)
Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.
Made with care and unconditionally loved by our customers, this signature bestseller exceeds all expectations.
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