Public puzzle
SE grade 7.3 Sudoku
7.3SE grade · 20 clues
By The Hardest Sudoku Team · Last updated
1
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5
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8
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7
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7
2
5
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8
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7
5
3
Givens only — solution not shown.
About this puzzle
An SE grade 7.3 Sudoku with 20 clues — expert, where wings and chaining decide the solve.
The SE grade is the canonical difficulty number from Sudoku Explainer — read how it works on the SE grade page.