C
       F             G
   Bb     __________     D
         /1b      1#\  
        /2b        2#\  
 Eb    /3b          3#\     A
      |                |
Ab    |4b            4#|      E
      |5b            5#|
 Db    \              /     B
        \6b        6#/
   Gb    \__________/    F#