I just can't get my mind around this room.
After you get to the tunnels, you just go round and round while the roaches move in response to your position. Always I have at least one roach getting trapped in the wrong space so that it won't be destroyed by the bomb blast.
On top of that, there is a time limit beause the mud will grow so large that it cannot be cut. And there is at least one mud baby to be taken care of on the now unreachable side.
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In the words of Cyndi Lauper:
"
Until it ends, there is no end."