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