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