Clearly you are losing a move somewhere, and I can't be sure where. If I had to guess I would suggest trying to optimize the part where
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×You kill the first four roaches.
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×I ended up killing the fourth at turn 49, and killing the first golem on turn 60.
If not it may have to do with
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×How you deal with the last two golems, but it looks like you got that right.
And yes you already played this room in the riddle of the bar compilation. The best part:
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×you get to solve it again.
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If you need to think outside of the box, then you didn't build a good enough box.