Has anyone sucessfully setup a revision scheme that flows asillustrated below using these primary (A-Z) and secondary (00-99)values?

A00
A01
A02...
A
B00
B01
B02...
B
C00
C01
C02...
C...

I'm curious to see some examples of how this was done.

Thanks,
PaulSolidworksWorkgroup Pdm