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