combinatorics - Draw a line through all doors - Puzzling Stack

I saw the following problem on 4chan and couldn't solve it: It's very likely to be some kind of troll (no solution). I'm hoping to see some rigorous proofs that disprove the existence of such a l

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Sliding Puzzle

Count number of ways to reach destination in a Maze - GeeksforGeeks

Boolean modeling of mechanosensitive epithelial to mesenchymal transition and its reversal - ScienceDirect

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combinatorics - Draw a line through all doors - Puzzling Stack Exchange

combinatorics - Draw a line through all doors - Puzzling Stack Exchange

I've been trying to solve this puzzle for years everytime I have some spare time, but I just can't solve it. So you have these 5 rooms with a total of 16

Can you ask me some logical puzzles? - Quora

combinatorics - Draw a line through all doors - Puzzling Stack Exchange

I a-door this site's creativity : r/CuratedTumblr