Solved it! It took me a second to really wrap my head around what the puzzle wanted out of me, but when I figured out how to visualize it (in part thanks to the description text here) it instantly became way easier to wrap my head around. Very cool puzzle concept.
Viewing post in A Puzzle about Doodles CUSTOM LEVEL ~SPOILERS!~
Huh. Thanks for playing! This puzzle is a version of the "best iphone lock pattern" puzzle, and I figured it'd be a shoe-in for one of the upcoming puzzles. I found it here: https://youtu.be/PKjbBQ0PBCQ