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Evil · Puzzle #292
3
8
5
7
1
4
3
6
3
1
9
2
1
3
8
2
7
8
6
5
8
4
6
1
Techniques used
- Hidden Single
- Naked Pair
- Naked Single
- Pointing Pair
- Finned X-Wing
- Forcing Chains
- Box-Line Reduction
- XY-Wing
- W-Wing
- XY-Chain
"I am not discouraged, because every wrong attempt discarded is another step forward." — Thomas Edison
"I am not discouraged, because every wrong attempt discarded is another step forward." — Thomas Edison
"It is impossible to be a mathematician without being a poet in soul." — Sofia Kovalevskaya
"It is impossible to be a mathematician without being a poet in soul." — Sofia Kovalevskaya