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