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