[main]
   |
   |--- [old]
   |      |
   |      |--- [thequick]
   |      |           |
   |      |           |--- [aaaa] --- some files
   |      |           |--- [bbbb] --- some files
   |      |           |--- [cccc] --- some files
   |      |           |--- [dddd] --- some files
   |      |           |--- some files
   |      |
   |      |--- [brownfox]
   |      |           |
   |      |           |--- [aaaa] --- some files
   |      |           |--- [bbbb] --- some files
   |      |           |--- [cccc] --- some files
   |      |           |--- [dddd] --- some files
   |      |           |--- some files
   |      |---  ...
   |      |
   |      |--- [lazydog]
   |                  |
   |                  |--- [aaaa] --- some files
   |                  |--- [bbbb] --- some files
   |                  |--- [cccc] --- some files
   |                  |--- [dddd] --- some files
   |                  |--- some files
   |
   |--- [new]
          |
          |--- [thequick]
          |           |
          |           |--- [aaaa] --- some files
          |           |--- [bbbb] --- some files
          |           |--- some files
          |
          |--- [brownfox]
          |           |
          |           |--- [aaaa] --- some files
          |           |--- [bbbb] --- some files
          |           |--- some files
          |---  ...
          |
          |--- [lazydog]
                      |
                      |--- [aaaa] --- some files
                      |--- [bbbb] --- some files
                      |--- some files