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