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Evil · Puzzle #810
5
1
9
4
5
3
3
6
4
9
8
6
1
3
4
5
5
7
2
7
9
4
8
1
6
7
"Extraordinary claims require extraordinary evidence." — Carl Sagan
"Extraordinary claims require extraordinary evidence." — Carl Sagan
For Evil puzzles, study the Y-Wing technique: it chains three cells into a forced elimination.
For Evil puzzles, study the Y-Wing technique: it chains three cells into a forced elimination.