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Evil · Puzzle #78
7
3
2
4
6
8
5
9
6
7
8
5
2
1
7
9
3
5
1
4
6
8
9
5
Techniques used
- Hidden Single
- Naked Single
- Naked Pair
- Naked Triple
- Box-Line Reduction
- Finned X-Wing
- Naked Quad
- Pointing Pair
- UR Type 4
- Forcing Chains
- Swordfish
- XY-Wing
- W-Wing