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