Hm, I've got as far as
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×starting off the bomb fuse, while the goblin is on the now-closed door to the NW, and I stand on the trapdoor with sword pointing W, then the goblin can survive both bombs and be manoeuvred to the NW chamber
but I'm stuck after that.
I have the following guesses:
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× (1) The goblin, not me, has to step on (22,11) to free the mimic.
(2) Either I have to be able to kill it there, and step on the north-arrow so I can then move east-west along the line of arrows formerly occupied by the green doors so as to move the mimic directly east and get it to the arrow: or I have to not kill the goblin, so the green doors are still intact forcing the mimic to move E-W instead of diagonally.
But then how, and where, do I kill the goblin, or manoeuvre myself into a position where the mimic can be moved directly eastwards and not diagonally?
[Last edited by JLE at 07-06-2020 01:43 AM]