Tough Sudoku #146196 | Peak Sudoku

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81 leftNo cell selected

Puzzle: #146196
Difficulty: Tough(65/100)SE 3.8
Clues: 26
Symmetry: Vertical mirror

1–9 writes into the selected cells.

Techniques in this puzzle8

Naked Single×8 Hidden Single×3 Pointing Pair×1 Claiming×1 Naked Pair×1 Hidden Pair×1 Naked Triple×2 Swordfish×1

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Tough Sudoku #146196 | Peak Sudoku