Public puzzle
SE grade 8.4 Sudoku
8.4SE grade · 21 clues
By The Hardest Sudoku Team · Last updated
6
3
5
9
8
1
7
3
5
9
1
9
4
2
4
9
5
7
3
1
8
Givens only — solution not shown.
About this puzzle
An SE grade 8.4 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.