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