Tough Sudoku #10605 | Peak Sudoku

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This puzzle

#10605

Tough(61/100)
SE: 3.8
Clues: 34
Symmetry: Asymmetric

81 leftNo cell selected

1–9 writes into the selected cells.

Techniques in this puzzle4

Hidden Single Naked Single Claiming Swordfish

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Tough Sudoku #10605 | Peak Sudoku