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Evil · Puzzle #268
4
2
3
4
2
7
3
5
8
4
6
7
9
2
9
1
9
5
8
2
6
1
7
8
Techniques used
- Naked Single
- Hidden Single
- Pointing Triple
- Pointing Pair
- Box-Line Reduction
- Skyscraper
- Naked Pair
- W-Wing
- XY-Chain
- Forcing Chains
- Naked Triple
- XY-Wing