Extreme Sudoku #449198 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #449198
Difficulty: Extreme(85/100)SE 5.7
Clues: 28
Symmetry: 180° rotational

1–9 writes into the selected cells.

Techniques in this puzzle5

Naked Single×14 Hidden Single×2 Claiming×1 Naked Pair×1 W-Wing×2

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Extreme Sudoku #449198 | Peak Sudoku