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Evil · Puzzle #554
8
1
3
1
6
5
6
9
3
4
2
8
7
9
7
5
2
3
2
7
9
6
5
9
6
Techniques used
- Hidden Single
- Naked Single
- Naked Pair
- Box-Line Reduction
- 2-String Kite
- Finned X-Wing
- Forcing Chains
- Naked Triple
- XY-Wing
"Life is really simple, but we insist on making it complicated." — Confucius
"Life is really simple, but we insist on making it complicated." — Confucius
"The only way to learn mathematics is to do mathematics." — Paul Halmos
"The only way to learn mathematics is to do mathematics." — Paul Halmos