AAAAAAAAAAAAAAAAAAAAAAAA  BBB
        BBBBBBBBBBAABBBBAACCCCAA   CCC
       BBBBBBBBBBAABBBBAACCCCAA    
      BBBBBBBBBBAABBBBAACCCCAA     GGG
     AAAAAAAAAAAAAAAAAAAAAAAA      DDD
    GGGGGGGGGGAAGGGGAADDDDAA       BBB
   GGGGGGGGGGAAGGGGAADDDDAA        CCC
  GGGGGGGGGGAAGGGGAADDDDAA         
 AAAAAAAAAAAAAAAAAAAAAAAA          GGG