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Evil · Puzzle #166
6
8
4
1
3
4
1
3
5
6
5
1
9
6
7
6
6
5
9
2
7
2
1
8
Techniques used
- Naked Single
- Hidden Single
- Naked Quad
- Pointing Pair
- Box-Line Reduction
- 2-String Kite
- Forcing Chains
- Finned X-Wing
- XY-Chain
- Naked Pair
- Naked Triple
- W-Wing
- Simple Coloring
- X-Wing