Public puzzle
SE grade 6.6 Sudoku
6.6SE grade · 22 clues
By The Hardest Sudoku Team · Last updated
7
8
9
5
7
4
5
2
8
4
2
6
8
5
9
4
7
4
6
3
5
2
Givens only — solution not shown.
About this puzzle
An SE grade 6.6 Sudoku with 22 clues — hard, leaning on X-Wings and steady candidate elimination.
The SE grade is the canonical difficulty number from Sudoku Explainer — read how it works on the SE grade page.