Diabolical Sudoku #453880 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #453880
Difficulty: Diabolical(95/100)SE 6.4
Clues: 27
Symmetry: Vertical mirror

1–9 writes into the selected cells.

Techniques in this puzzle7

Naked Single×9 Hidden Single×5 Pointing Triple×1 Claiming×2 Naked Pair×1 XY-Chain×1 ALS Chain×1

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Diabolical Sudoku #453880 | Peak Sudoku