Here is the starting sequence for the solution (I believe it's the only one). This will help you hit the first 2 orbs.
Really Seriously Revealing Spoiler 1:
Click here to view the secret text
× Go to the bottom passage which is the entrance to the trapdoor area. Stand on the first trapdoor.
Now follow these directions:
3 North, 2 North West, 4 North East, 4 North West, 4 North East, 1 East. You should be next to orb 1
Really Seriously Revealing Spoiler 2:
Click here to view the secret text
×Continue like this:
1 South West, 1 South, 2 South West, 1 South, 2 South West, 1 South (This is the important one: It means the difference between finishing the room and getting stuck), 1 South East, 2 South West. You should be next to orb 2.
Now try to finish it off.
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Resident Medic/Mycologist