C:\Temp\hddzip>perl dirdupes.pl

Found duplicate directories
I12345678 - C:/Temp/hddzip
I12345678 - C:/Temp/hddzip/Test1

Found duplicate directories
P12345678 - C:/Temp/Alcohol
P12345678 - C:/Temp/hddzip
P12345678 - C:/Temp/hddzip/Test1
P12345678 - C:/Temp/hddzip/Test2

Found duplicate directories
P12345679 - C:/Temp/hddzip
P12345679 - C:/Temp/hddzip/PDF