Expert Sudoku #231440 | Peak Sudoku

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This puzzle

#231440

Expert(72/100)
SE: 4.3
Clues: 26
Symmetry: Vertical mirror

81 leftNo cell selected

1–9 writes into the selected cells.

Techniques in this puzzle5

Naked Single Hidden Single Pointing Pair Claiming XY-Wing

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Expert Sudoku #231440 | Peak Sudoku