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Evil · Puzzle #615
6
5
9
4
1
6
4
5
3
9
2
6
6
8
7
5
1
2
5
4
2
8
7
2
7
9
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Naked Triple
- XY-Wing
- 2-String Kite
- UR Type 4
- Pointing Pair
- Forcing Chains
- Finned X-Wing
- XY-Chain
- Naked Quad
- Swordfish
- W-Wing