peek at solution solve puzzle
quality: difficulty: solvability: line & color logic only
Puzzle Description Suppressed:Click below to view spoilers
#1: Kristen Vognild (kristen) on Sep 30, 2017
Nice!#2: Norma Dee (norm0908) on Sep 30, 2017
Say what? Over my head, but I like the puzzle.#3: Lollipop (lollipop) on Sep 30, 2017
Taking your word for it. Happy to see you're back.#4: Ga Hendrick (GaHendrick) on Sep 30, 2017
Interesting use of color again.#5: Dave Widener (bartfish) on Aug 4, 2022
Was this theory developed at Stanford? Sure looks like their logo.
Show: Spoilers
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