Tough Sudoku #464593 | Peak Sudoku

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This puzzle

#464593

Tough(69/100)
SE: 4
Clues: 26
Symmetry: Vertical mirror

81 leftNo cell selected

1–9 writes into the selected cells.

Techniques in this puzzle6

Naked Single Hidden Single Pointing Pair Naked Pair Naked Triple Hidden Triple

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Tough Sudoku #464593 | Peak Sudoku