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Evil · Puzzle #44
4
7
2
1
5
4
6
2
7
9
3
1
8
2
5
3
8
6
7
6
1
8
3
4
Techniques used
- Hidden Single
- Naked Single
- Naked Pair
- Box-Line Reduction
- XY-Chain
- Forcing Chains
- Naked Quad
- XY-Wing
"A problem well stated is a problem half solved." — Charles Kettering
"A problem well stated is a problem half solved." — Charles Kettering
"Everything we call real is made of things that cannot be regarded as real." — Niels Bohr
"Everything we call real is made of things that cannot be regarded as real." — Niels Bohr