Sure, here are the things that you need to have set up after the first spawn:
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×A way to the East part of the room.
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×A tar baby to push into the North path.
It may also be good to think about:
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×How you're going to push a mirror onto the pressure plate in the East.
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×Where the second tar baby (for the South) is going to come from. This can also come from the first spawn, but it's not strictly necessary.
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×That you're not going to spawn tar babies you can't handle for the remaining spawns.