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