Make you 300 never been published 16x16 Hex Sudoku puzzles and solutions for £5 : JimHardworker - fivesquid
Sudoku for Computer Nerds: Hexadecimal 16x16 Sudoku for the Ultimate Logic Challenge - a Fun Gift for Geeks who Love Puzzles!: Books, ZigZag Puzzle: 9781089225980: Amazon.com: Books
Reason and Rhyme: Hexadecimal Sudoku Puzzle
SuDoku Hex! | Board Game | BoardGameGeek
Hex Sudoku Vol 001 by Max Kessler, Paperback | Barnes & Noble®
GC12KA1 The Hex of Sudoku (Unknown Cache) in Utah, United States created by kimbest