Extreme Sudoku #10780 | Peak Sudoku

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This puzzle

#10780

Extreme(87/100)
SE: 5.5
Clues: 24
Symmetry: Asymmetric

81 leftNo cell selected

1–9 writes into the selected cells.

Techniques in this puzzle10

Naked Single Hidden Single Pointing Pair Naked Pair X-Wing Skyscraper 2-String Kite XY-Wing Swordfish W-Wing

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Extreme Sudoku #10780 | Peak Sudoku