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Evil · Puzzle #286
9
6
3
7
5
2
8
7
1
4
4
5
1
9
7
9
7
2
5
3
8
3
4
Techniques used
- Hidden Single
- Pointing Pair
- Box-Line Reduction
- 2-String Kite
- Forcing Chains
- Naked Single
- Naked Pair
- W-Wing
- XY-Chain
"Mathematics is the door and key to the sciences." — Roger Bacon
"Mathematics is the door and key to the sciences." — Roger Bacon
"Energy and persistence conquer all things." — Benjamin Franklin
"Energy and persistence conquer all things." — Benjamin Franklin