) ) )                     ) ) )
        ( ( (                      ( ( (
      ) ) )                       ) ) )
   (~~~~~~~~~)                 (~~~~~~~~~)
    | POWER |                   | POWER |
    |       |                   |       |
    I      _._                  I       _._
    I    /'   `\                I     /'   `\
    I   |   N   |               I    |   N   |
    f   |   |~~~~~~~~~~~~~~|    f    |    |~~~~~~~~~~~~~~|
  .'    |   ||~~~~~~~~|    |  .'     |    | |~~~~~~~~|   |
/'______|___||__###___|____|/'_______|____|_|__###___|___|