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