Diabolical Sudoku #449846 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #449846
Difficulty: Diabolical(91/100)SE 6.7
Clues: 26
Symmetry: Vertical mirror

1–9 writes into the selected cells.

Techniques in this puzzle6

Naked Single×14 Hidden Single×4 Pointing Pair×1 Claiming×1 X-Wing×1 XY-Chain×1

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Diabolical Sudoku #449846 | Peak Sudoku