Public puzzle
SE grade 6.7 Sudoku
6.7SE grade · 23 clues
By The Hardest Sudoku Team · Last updated
3
9
5
6
1
8
5
1
6
3
4
8
2
3
9
5
7
8
2
3
4
6
1
Givens only — solution not shown.
About this puzzle
An SE grade 6.7 Sudoku with 23 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.