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Evil · Puzzle #602
8
2
6
9
8
1
7
4
5
9
3
2
9
6
6
5
3
4
1
3
5
7
9
5
6
Techniques used
- Hidden Single
- Naked Pair
- Naked Triple
- Pointing Pair
- 2-String Kite
- Forcing Chains
- Naked Single
- Naked Quad
- Box-Line Reduction
- Simple Coloring
- XY-Chain
- W-Wing
- XY-Wing