My apology for the delay. I was not online.
Does her visa allow her to re-enter?
If so she can travel to NZ or another place close by, spend a week overseas and on return she can again stay for the period she is allowed to.
If it is to expire she can seek to have it extended past that date and this has to be done before the visa expires.
She also has to show will will be continuing to be a tourist.
I hope this makes sense and is of assistance. If there is nothing further
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