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