   4(__) BBBBBB--EEEEEEE-EEEEEEE-FFFFFFF
   /oo\\BB---BB-EE------EE------FF-----\\
   \\ / BBBBBB--EEEEEE--EEEEEE--FFFFF-- |
    oo  BB---BB-EE------EE------FF----- |
        BBBBBB--EEEEEEE-EEEEEEE-FF----- ^
         | |                       | |
         ^ ^                       ^ ^

