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