-[0000:00]-+-00.0
           +-01.0-[0000:01]----00.0
           +-1d.0
           +-1d.1
           +-1d.2
           +-1d.3
           +-1d.7
           +-1e.0-[0000:02]--+-04.0
           |                 +-05.0
           |                 \-0d.0
           +-1f.0
           +-1f.1
           +-1f.2
           +-1f.3
           \-1f.5