It's a lot less complicated than it looks. (Ignore the orbs and doors, they've fallen into irrelevancy. Ruins, and all.)
×You have to drop all the trapdoors to get out. Can't do that in one traversal with a single Beethro, so you have to temporally-project him to get two.
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×Your temp ends up at the southwest, your "
real"
Beethro at the southeast to exit.
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×No need to get fancy with interweaving the paths; the temp can go pretty much straight down the west side, and Beethro almost straight down the east.
