Hard Sudoku #316251 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #316251
Difficulty: Hard(59/100)SE 3.6
Clues: 28
Symmetry: 180° rotational

1–9 writes into the selected cells.

Techniques in this puzzle5

Naked Single×9 Hidden Single×4 Pointing Pair×1 Naked Pair×1 Naked Triple×1

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Hard Sudoku #316251 | Peak Sudoku