--- Parent A
      |---Sub B (Sub folder of Parent A)
            |------Sub C (Sub folder of Sub B)
                     |--- File A (File within Sub C)
                     |--- File B (File within Sub C)

            |------Sub D (Sub folder of Sub B)
                    | --- File A (File within Sub D)
                    | --- File C (File within Sub D)
-- Parent B ....likewise many parent folders