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