Tough Sudoku #298000 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #298000
Difficulty: Tough(66/100)SE 4
Clues: 28
Symmetry: Vertical mirror

1–9 writes into the selected cells.

Techniques in this puzzle5

Naked Single×11 Hidden Single×2 Claiming×1 Naked Pair×1 Skyscraper×1

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Tough Sudoku #298000 | Peak Sudoku