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Evil · Puzzle #534
8
3
9
7
7
8
2
8
8
5
4
3
5
8
9
3
6
6
1
5
2
4
1
5
7
Techniques used
- Hidden Single
- Naked Triple
- Naked Single
- Naked Quad
- Pointing Pair
- Skyscraper
- 2-String Kite
- Finned X-Wing
- Forcing Chains
- XY-Wing
- Naked Pair
- XY-Chain
- Box-Line Reduction