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Sudoku hard - hard sudoku Fundamentals Explained

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Naked and concealed singles are the easiest squares to unravel. A unadorned solitary is every time a variety can only go in one achievable cell. A hidden one is when there is only cell to get a supplied candidate. If you want to enter a pencil mark, click on/touch the https://edwardx875pru6.idblogmaker.com/profile

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