Diabolical Sudoku #449702 | Peak Sudoku

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This puzzle

#449702

Diabolical(93/100)
SE: 6.8
Clues: 28
Symmetry: 180° rotational

81 leftNo cell selected

1–9 writes into the selected cells.

Techniques in this puzzle7

Hidden Single Naked Single Pointing Pair Claiming Naked Pair W-Wing Naked Triple

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Diabolical Sudoku #449702 | Peak Sudoku