Extreme Sudoku #448897 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #448897
Difficulty: Extreme(86/100)SE 5.6
Clues: 27
Symmetry: Vertical mirror

1–9 writes into the selected cells.

Techniques in this puzzle6

Naked Single×12 Hidden Single×4 Pointing Pair×1 Naked Pair×1 XY-Wing×1 BUG+1×1

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Extreme Sudoku #448897 | Peak Sudoku