CCC                             CCC
            C  CCC                       CCC  C
            CC   CCC   CCCCCCCCC       CCC    C
             C      CCC         CCC CCCC      C
             C       CC            CC        C
             CC                              C
              CC                            CC
             C                              C
            C                              CC
           CC     AAAAAAA        AAAAA     CC
          CC        AAAAAA     AAAAAAAAA     CC
          C                                   CC
          C                A                   C
          C                A                    C             TTTTT
          C                A                    TTTTTTTTTTTTTT
  TTTTTTTTTTTTTTTT       AAAA        TTTTTTTTTTTC
           C            AAAAAAA                C
          TTTTTT       AAAAAAAA               CC
    TTTTTT  C           AAAAAAA        TTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
  TT        CC    T        A                CC
             CC  T      AAAAAAAAAA      TTTTTTTTTTT
               CTCC                 CCCCCCC       TTTTT
               T   CCCCCCCCCCCCCCCCC                  TTT
           TTTT
          T
       TTT
       T