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Killer sudoku puzzles and Kakuro.: Easy levels. by Holmes, Basford - Amazon.ae
Amazon | Adult book. Big Numbricks and Killer sudoku. Easy - medium levels.: Very large font. Sudoku relax. (Sudoku and large size puzzles) | Holmes, Basford | Sudoku
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Amazon | Killer sudoku Anti knight. Hitori puzzles: Hard - extreme levels (Killer sudoku and his friends) | Holmes, Basford | Sudoku