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Expert Sudoku is a game for experienced Sudoku players with a very high level of difficulty. This hardest Sudoku puzzle is characterized by the fact that only a few numbers are shown in the Sudoku square, which consists of 9 small squares, where the cells are located 3x3.
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To solve the most hardest Sudoku puzzles (online on this website and without having to register), you will need to employ all the strategies you have previously learned. Start with the ones you first used on easier levels, and "run" through all the grid …
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