Sudoku 4 types of heavy and very difficult levels. 400 collection puzzles.: Lighthouse Battleship - Yajilin - Calcudoku - Tridoku. Lots of hard and very hard puzzles for sharpness of mind (plus 500 puzzles that can be printed).
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A Paperback by Basford Holmes
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View other formats and editions of Sudoku 4 types of heavy and very difficult levels. 400 collection puzzles.: Lighthouse Battleship - Yajilin - Calcudoku - Tridoku. Lots of hard and very hard puzzles for sharpness of mind (plus 500 puzzles that can be printed). by Basford Holmes
Publisher: Independently Published
Publication Date: 07/02/2019
ISBN13: 9781796365238, 978-1796365238
ISBN10:
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Puzzles and quizzes
Puzzles and quizzes