10           20        30        40        50        60 
CGAACCAUGAAGAUAAAC---| U       GC    CA         GUAC     GUGUUA 
                     GA GCCGGCG  AGCU  GCGUGUGUC    UGAUA      U
                     CU UGGCCGC  UCGG  CGCACACAG    ACUAU      C
UUAUUUUAGUUUUCCUAUCCU^ C       UA    --         AAU-     CGAUCA 
120       110       100        90          80         70