Hard Sudoku #280091 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #280091
Difficulty: Hard(52/100)SE 3.2
Clues: 27
Symmetry: Vertical mirror

1–9 writes into the selected cells.

Techniques in this puzzle5

Naked Single×13 Hidden Single×4 Pointing Pair×2 Naked Pair×1 Hidden Pair×1

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Hard Sudoku #280091 | Peak Sudoku