Master
Puzzle
8
9
4
3
2
7
9
5
2
9
5
3
4
2
8
1
2
3
9
1
4
8
6
1
4
Logic required
Empty Rectangle
Hardest technique: Empty Rectangle
In this puzzle
- 32 Naked Single
- 44 Hidden Single
- 10 Pointing
- 15 Box/Line Reduction
- 6 Naked Pair
- 49 Hidden Pair
- 11 Naked Triple
- 22 Hidden Triple
- 17 Naked Quad
- 7 Hidden Quad
- 3 X-Wing
- 3 Swordfish
- 3 Jellyfish
- 4 Skyscraper
- 4 Two-String Kite
- 11 Simple Colouring
- 11 Empty Rectangle
- 7 Y-Wing
- 2 XYZ-Wing
- 3 W-Wing
- 25 WXYZ-Wing
Solution
Solve the puzzle to reveal the solution.