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Evil · Puzzle #401
2
3
5
9
6
8
8
4
3
5
7
7
9
8
7
8
6
2
4
3
2
7
4
6
1
Techniques used
- Hidden Single
- Naked Single
- Naked Pair
- Pointing Pair
- XY-Wing
- XY-Chain
- 2-String Kite
- Forcing Chains
"No great mind has ever existed without a touch of madness." — Aristotle
"No great mind has ever existed without a touch of madness." — Aristotle
"Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country." — David Hilbert
"Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country." — David Hilbert