Diabolical Sudoku #462197 | Peak Sudoku

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This puzzle

#462197

Diabolical(96/100)
SE: 7.1
Clues: 28
Symmetry: 180° rotational

81 leftNo cell selected

1–9 writes into the selected cells.

Techniques in this puzzle6

Hidden Single Naked Single Pointing Pair Claiming Naked Pair ALS Chain

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Diabolical Sudoku #462197 | Peak Sudoku