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