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Evil · Puzzle #725
9
7
6
1
8
3
7
6
3
8
7
2
5
2
7
9
6
4
2
9
7
5
5
4
3
Techniques used
- Naked Single
- Hidden Single
- Pointing Pair
- W-Wing
- 2-String Kite
- XY-Wing
- Naked Pair
- Skyscraper
When a row, column, and box all intersect, the intersection cell is the most constrained — always check it first.
When a row, column, and box all intersect, the intersection cell is the most constrained — always check it first.
"The pin is mightier than the sword." — Fred Reinfeld
"The pin is mightier than the sword." — Fred Reinfeld