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Evil · Puzzle #811
2
6
7
3
9
4
2
3
8
5
1
9
2
7
5
4
3
7
9
8
3
1
2
9
Techniques used
- Hidden Single
- Pointing Triple
- Pointing Pair
- Naked Triple
- Naked Quad
- Naked Pair
- Box-Line Reduction
- 2-String Kite
- UR Type 4
- Forcing Chains
- Naked Single
- Finned X-Wing
- XY-Wing