I would like to know if anybody has any idea if it's possible to build a wall in such a way that tunnelers can attempt to undermine it, but they can never actually reach it. ?For some reason in the past, I remember encountering certain arrangements of walls where tunnelers simply couldn't reach them, but you could still place the tunnel entrance and they would dig toward the wall, my memory could be faulty though. ?I've tried to reproduce something like that recently, but I haven't had any succe

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