Hard Sudoku #289356 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #289356
Difficulty: Hard(56/100)SE 3.4
Clues: 25
Symmetry: 180° rotational

1–9 writes into the selected cells.

Techniques in this puzzle6

Naked Single×10 Hidden Single×3 Pointing Pair×2 Claiming×1 Naked Pair×2 Naked Quad×1

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Hard Sudoku #289356 | Peak Sudoku