peek at solution solve puzzle
quality: difficulty: solvability: line & color logic only
Puzzle Description:
(This puzzle was recovered from the 2016 database crash. Puzzle creators, please edit this puzzle and put the real description here!)
#1: Brian Bellis (mootpoint) on Oct 8, 2018
Valve#2: Jota (jota) on Mar 4, 2019
Nice!#3: Brian Bellis (mootpoint) on Mar 5, 2019
When I worked for my dad when I was in high school, we refurbished gate valve. I can tell you everything you never wanted to know about gate valves.#4: Web Paint-By-Number Robot (webpbn) on Jun 7, 2022
Found to have a unique solution by gator.#5: Web Paint-By-Number Robot (webpbn) on Jun 7, 2022
Found to be solvable by line and color logic alone by gator.
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