Hard
Puzzle
9
5
4
1
7
6
2
8
4
6
3
4
5
9
7
2
8
2
7
3
1
8
9
2
5
Logic required
Pairs
Hardest technique: Hidden Pair
In this puzzle
- 39 Naked Single
- 36 Hidden Single
- 14 Pointing
- 16 Box/Line Reduction
- 10 Naked Pair
- 39 Hidden Pair
- 13 Naked Triple
- 28 Hidden Triple
- 11 Naked Quad
- 19 Hidden Quad
- 4 X-Wing
- 8 Swordfish
- 5 Jellyfish
- 3 Skyscraper
- 2 Two-String Kite
- 10 Simple Colouring
- 1 Empty Rectangle
- 7 Y-Wing
- 1 XYZ-Wing
- 3 W-Wing
- 24 WXYZ-Wing
Solution
Solve the puzzle to reveal the solution.