400 CalcuDoku VERY HARD puzzles 9 x 9 + BONUS 250 classic sudoku: Sudoku very hard puzzles and classic Sudoku 9 x 9 very hard levels
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A Paperback by Basford Holmes
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View other formats and editions of 400 CalcuDoku VERY HARD puzzles 9 x 9 + BONUS 250 classic sudoku: Sudoku very hard puzzles and classic Sudoku 9 x 9 very hard levels by Basford Holmes
Publisher: Independently Published
Publication Date: 27/09/2018
ISBN13: 9781724108494, 978-1724108494
ISBN10: