Pillager outposts aint normal. In fact, their the most glitched structure. They are asymmetrical at the top, which you could fix, but there is another glitch. Allays can sometimes spawn in outposts in cages, with fences surrounding it, but for some reason, one of the fences generates oddly and is not connecting to anything. It looks out of place and bad for the allay cages.
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We're tracking this issue in MC-252614, so this ticket is being resolved and linked as a duplicate.
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