Only showing lines that have the same first 3 N characters after the fifth backslash?

[a84r7a3rga76fg]

Can someone please help me with this

Example:

C:\Folder [1]\Folder [2]\Folder [3]\100 [2022-01]\001 12327
C:\Folder [1]\Folder [2]\Folder [3]\100 [2022-01]\002 12328
C:\Folder [1]\Folder [2]\Folder [3]\50 [2022-01]\001 12310
C:\Folder [1]\Folder [2]\Folder [3]\200 [2022-01]\001 12310
C:\Folder [1]\Folder [2]\Folder [3]\50 [2022-01]\001 22310

Result:

C:\Folder [1]\Folder [2]\Folder [3]\50 [2022-01]\001 12310
C:\Folder [1]\Folder [2]\Folder [3]\50 [2022-01]\001 22310