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