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Evil · Puzzle #276
5
8
7
1
9
4
3
5
7
3
9
6
8
9
1
4
7
5
8
6
1
4
1
3
8
Techniques used
- Hidden Single
- Naked Pair
- Naked Triple
- Pointing Pair
- W-Wing
- 2-String Kite
- Forcing Chains
- Naked Single
- X-Wing
- XY-Wing
- Box-Line Reduction
- Skyscraper
- XY-Chain