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