Hard Sudoku #173702 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #173702
Difficulty: Hard(55/100)SE 3.2
Clues: 26
Symmetry: Vertical mirror

1–9 writes into the selected cells.

Techniques in this puzzle7

Naked Single×9 Hidden Single×1 Pointing Pair×4 Claiming×1 Naked Triple×2 Naked Quad×1 X-Wing×1

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Hard Sudoku #173702 | Peak Sudoku