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I saved a lot of times after that, this is the last save:

the great wall_20180312193856.meta

the great wall_20180312193856

Does this work as well?

I thought it was that, but I saved right after I put her (the second one) in my prison and it is the save that still worked. I also had her (the first one) in my prison for a while and it still worked until now (I had saved like 4 times).