A                       DDDDDDD                                    
   A A                      D      D                                   
   A A                      D       D                                  
   A A       ccc     aaaa   D        D    eee      ccc     aaaa        
  A   A     c   c   a    a  D        D   e   e    c   c   a    a       
  A   A    c       a     a  D        D  e     e  c       a     a       
  A   A    c           aaa  D        D  e     e  c           aaa       
 AAAAAAA   c        aaa  a  D        D  eeeeeee  c        aaa  a       
 A     A   c       a     a  D        D  e        c       a     a       
 A     A   c       a     a  D       D   e     e  c       a     a       
A       A   c   c  a    aa  D      D     e   e    c   c  a    aa       
A       A    ccc    aaaa a  DDDDDDD       eee      ccc    aaaa a 

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