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Evil · Puzzle #170
6
3
4
1
8
5
2
6
2
8
5
1
7
3
1
7
2
9
9
4
3
9
1
8
Techniques used
- Hidden Single
- Naked Single
- Box-Line Reduction
- 2-String Kite
- Forcing Chains
- Pointing Pair
- Naked Pair
- Finned X-Wing
"Mathematics is the door and key to the sciences." — Roger Bacon
"Mathematics is the door and key to the sciences." — Roger Bacon
"Energy and persistence conquer all things." — Benjamin Franklin
"Energy and persistence conquer all things." — Benjamin Franklin