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Evil · Puzzle #711
4
7
9
1
6
5
5
6
9
2
9
8
5
4
8
7
2
1
3
8
2
3
7
9
1
Techniques used
- Hidden Single
- Naked Triple
- Naked Quad
- Pointing Pair
- Naked Single
- Box-Line Reduction
- Skyscraper
- W-Wing
- Naked Pair
- XY-Chain
"The secret of getting ahead is getting started." — Mark Twain
"The secret of getting ahead is getting started." — Mark Twain
"Curiosity is the engine of achievement." — Ken Robinson
"Curiosity is the engine of achievement." — Ken Robinson