Public puzzle
SE grade 8.3 Sudoku
8.3SE grade · 21 clues
By The Hardest Sudoku Team · Last updated
9
4
2
5
7
1
2
3
4
9
5
8
7
6
5
4
9
2
1
6
8
Givens only — solution not shown.
About this puzzle
An SE grade 8.3 Sudoku with 21 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.