So the highlighted pressure plates must be pressed in a specific sequence
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×(blue, red, green, yellow)
, and I must be next to the green door when any of them is pressed, so it can't be me, must be the roaches. But then I have to delay them so that they arrive with the right timing. But how?
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×
If I use all 5 roaches, I need to build paths in the water that are, from top to bottom, 9, 11, 12, 10, 9 steps long, but there isn't enough room for that. Even if there were enough room, how to force the roaches to choose the right path (each their own)? There are not enough mirrors for that.
I also tried using one roach for more than one plates, but that didn't work out either.
Am I missing something simple, or is this room really this annoying?