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Evil · Puzzle #81
8
5
7
2
4
9
3
3
9
5
4
7
1
1
4
3
6
1
2
6
5
4
7
8
3
2
Techniques used
- Hidden Single
- Naked Triple
- Pointing Pair
- Naked Single
- Pointing Triple
- Box-Line Reduction
- W-Wing
- Naked Pair
- Naked Quad
- 2-String Kite
- XY-Chain
- Forcing Chains