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