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Evil · Puzzle #454
4
5
1
2
7
1
6
4
1
2
3
8
4
2
6
4
3
6
6
8
1
7
7
2
1
8
Techniques used
- Hidden Single
- Pointing Pair
- Box-Line Reduction
- 2-String Kite
- Simple Coloring
- Naked Single
- Naked Pair
- Skyscraper
- W-Wing
- Finned X-Wing
- UR Type 4
- Forcing Chains