Hard Sudoku #193652 | Peak Sudoku

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This puzzle

#193652

Hard(57/100)
SE: 3.4
Clues: 29
Symmetry: 180° rotational

81 leftNo cell selected

1–9 writes into the selected cells.

Techniques in this puzzle5

Hidden Single Naked Single Pointing Pair Naked Pair Naked Triple

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Hard Sudoku #193652 | Peak Sudoku