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Evil · Puzzle #589
2
6
4
3
7
5
6
1
7
2
8
1
6
9
3
8
6
7
4
8
3
9
6
5
4
5
Techniques used
- Naked Single
- Hidden Single
- Naked Pair
- Pointing Pair
- Box-Line Reduction
- UR Type 4
- 2-String Kite
- Forcing Chains
- XY-Chain
- UR Type 1
- Naked Triple
- Simple Coloring