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Evil · Puzzle #572
5
1
7
3
2
9
9
1
7
4
5
4
6
9
3
1
2
6
8
6
4
7
1
1
6
7
Techniques used
- Hidden Single
- Pointing Pair
- Box-Line Reduction
- XY-Wing
- Forcing Chains
- Naked Single
- Naked Triple
- Hidden Pair
- Naked Pair
- Finned X-Wing
- XY-Chain
"Wonder is the beginning of wisdom." — Socrates
"Wonder is the beginning of wisdom." — Socrates
"Chess is everything: art, science, and sport." — Anatoly Karpov
"Chess is everything: art, science, and sport." — Anatoly Karpov