that being said there is no reason why it couldnt be reordered so that it would look something like this. which looks cleaner however with the original export UT could be listed 1st, 2nd, 3rd, or 4th for the component # of PI so for simplicity's sake breaking it apart however the original export is laid out is fine.
Control # Top Level Number Sub Number Sub Number Sub Number Sub Number Sub Number Sub Number] Description Task # Component Number Task Description
A B
B AB
AB MT
MT PO
MT PI
PI GT
PI GY
PI IO
PI UT
UT RE
UT OK
OK QW
OK QE
OK QR