peek at solution solve puzzle
quality: difficulty: solvability: moderate lookahead
Puzzle Description Suppressed:Click below to view spoilers
#1: Aurelian Ginkgo (AurelianGinkgo) on Dec 20, 2017 [HINT]
Comment Suppressed:Click below to view hints#2: David Bouldin (dbouldin) on Dec 21, 2017 [HINT]
Comment Suppressed:Click below to view hints#3: (SebTvHd) on Dec 21, 2017
I'm better now, I finally got my laptop back!#4: Norma Dee (norm0908) on Dec 21, 2017
Good!#5: Belita (belita) on Dec 21, 2017 [SPOILER]
Comment Suppressed:Click below to view spoilers#6: Norma Dee (norm0908) on Dec 21, 2017
A frown is a smile turned upside down.:)#7: Susan Nagy (susannagy54) on Jan 16, 2018
Right Belita -- it is FROWN logic. I was sure I was going to get a "This is not the intended solution" message, but to my surprise I got the "Yahoo!" instead. But it is a cute puzzle, anyway.#8: Web Paint-By-Number Robot (webpbn) on Mar 16, 2018
Found to be solvable with moderate lookahead by infrapinklizzard.#9: Joe (infrapinklizzard) on Mar 16, 2018
David's is the more rigorous logic.
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