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Evil · Puzzle #301
1
4
3
2
5
5
7
6
2
1
5
2
1
6
1
3
9
5
8
2
4
7
3
1
6
9
Techniques used
- Hidden Single
- Naked Pair
- Naked Quad
- Pointing Pair
- Swordfish
- Box-Line Reduction
- W-Wing
- Forcing Chains
- Finned X-Wing
- Naked Single
- 2-String Kite
- XY-Chain