1,000 + Calcudoku sudoku 9x9: Logic puzzles medium - hard levels by Basford Holmes, Paperback

Positive brain awesome game. Suitable for adults. 6 puzzles per page. 500 CalcuDoku sudoku puzzles 9x9 medium levels. 502 CalcuDoku sudoku puzzles 9x9 hard levels. Thick paper. Glossy cover. Calcudoku may be called or searched with the following phrases or names: cendoku, calcudoku, kendoku

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Positive brain awesome game. Suitable for adults and children. 6 puzzles per page. 250 CalcuDoku sudoku puzzles 6x6 easy levels. 250 CalcuDoku sudoku

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