Master
Puzzle
6
7
4
1
2
9
9
1
2
5
8
7
8
7
9
5
2
4
1
3
5
9
3
7
Logic required
Wings
Hardest technique: Y-Wing
In this puzzle
- 36 Naked Single
- 37 Hidden Single
- 11 Pointing
- 17 Box/Line Reduction
- 12 Naked Pair
- 40 Hidden Pair
- 13 Naked Triple
- 30 Hidden Triple
- 16 Naked Quad
- 16 Hidden Quad
- 4 X-Wing
- 4 Swordfish
- 4 Jellyfish
- 3 Skyscraper
- 1 Two-String Kite
- 7 Simple Colouring
- 1 Empty Rectangle
- 8 Y-Wing
- 1 XYZ-Wing
- 4 W-Wing
- 54 WXYZ-Wing
Solution
Solve the puzzle to reveal the solution.