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Evil · Puzzle #176
6
8
3
7
9
4
9
7
3
2
1
6
1
8
4
6
7
9
1
8
4
1
3
9
7
Techniques used
- Hidden Single
- Naked Single
- Naked Triple
- Naked Quad
- Pointing Pair
- Box-Line Reduction
- Naked Pair
- XY-Wing
- 2-String Kite
- Forcing Chains
- W-Wing
- Finned X-Wing
- XY-Chain