Public puzzle
SE grade 7.1 Sudoku
7.1SE grade · 20 clues
By The Hardest Sudoku Team · Last updated
1
8
3
7
4
5
8
1
5
2
7
9
3
9
2
9
8
4
5
9
Givens only — solution not shown.
About this puzzle
An SE grade 7.1 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.