Public puzzle
SE grade 8.4 Sudoku
8.4SE grade · 21 clues
By The Hardest Sudoku Team · Last updated
5
4
8
5
2
1
6
7
9
2
8
7
4
2
9
7
3
9
5
6
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.