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