Public puzzle
SE grade 9.4 Sudoku
9.4SE grade · 18 clues
By The Hardest Sudoku Team · Last updated
1
2
3
4
5
6
2
3
7
5
8
6
6
4
8
1
2
9
Givens only — solution not shown.
About this puzzle
An SE grade 9.4 Sudoku with 18 clues — diabolical, broken open only by forcing chains.
The SE grade is the canonical difficulty number from Sudoku Explainer — read how it works on the SE grade page.