Diabolical Sudoku #450249 | Peak Sudoku

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This puzzle

#450249

Diabolical(91/100)
SE: 6.3
Clues: 28
Symmetry: Vertical mirror

81 leftNo cell selected

1–9 writes into the selected cells.

Techniques in this puzzle6

Hidden Single Naked Single Pointing Triple Pointing Pair XY-Chain 2-String Kite

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Diabolical Sudoku #450249 | Peak Sudoku