I have a range of unique identifiers A1 through A500.
I sort on a different column then need to resort on those unique identifiers.
How do I prevent
a1
a10
a100
a101
a102
a103
a104
a105
a106
a107
a108
a109

When it should be
a1
a2
a3
a4
a5
a6
a7
a8
a9


Thanks,
Arturo