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Evil · Puzzle #849
8
5
4
4
2
7
8
9
7
1
8
5
4
3
5
8
6
2
3
8
6
9
6
7
2
Techniques used
- Hidden Single
- Naked Pair
- Naked Single
- Naked Triple
- Pointing Pair
- Box-Line Reduction
- 2-String Kite
- Forcing Chains
- X-Wing
- W-Wing
- XY-Chain
Try the Expert puzzle today without the hint button. Every move should have a logical reason.
Try the Expert puzzle today without the hint button. Every move should have a logical reason.
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding." — William Paul Thurston
"Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding." — William Paul Thurston