Expert Sudoku #200913 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #200913
Difficulty: Expert(71/100)SE 4.2
Clues: 29
Symmetry: Vertical mirror

1–9 writes into the selected cells.

Techniques in this puzzle4

Naked Single×10 Hidden Single×2 Naked Pair×1 XY-Wing×1

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Expert Sudoku #200913 | Peak Sudoku