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