Master
Puzzle
4
9
2
3
8
5
6
4
7
5
9
1
9
8
4
5
8
3
2
9
3
3
5
8
5
4
2
4
7
6
5
1
9
6
3
4
Logic required
Wings
Hardest technique: Y-Wing
In this puzzle
Solution
Solve the puzzle to reveal the solution.