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Evil · Puzzle #278
1
8
3
7
5
2
8
2
6
6
5
8
3
4
5
1
9
1
2
7
9
7
8
4
Techniques used
- Hidden Single
- Naked Single
- Pointing Pair
- Box-Line Reduction
- Forcing Chains
- 2-String Kite
- XY-Chain
"By failing to prepare, you are preparing to fail." — Benjamin Franklin
"By failing to prepare, you are preparing to fail." — Benjamin Franklin
"Mathematics is not about numbers, equations, or algorithms — it is about understanding." — William Paul Thurston
"Mathematics is not about numbers, equations, or algorithms — it is about understanding." — William Paul Thurston