Medium
Daily challenge · 2026-09-14
Puzzle
3
2
6
4
4
2
9
8
5
1
6
6
7
6
1
9
4
8
1
9
6
2
7
3
1
9
9
8
5
2
4
Logic required
Singles
Hardest technique: Hidden Single
Solution
Solve the puzzle to reveal the solution.