10           20        30        40        50        60   
UCGAAAGUCGCCAACCU---|      UCAC  U      U       CC       ACGAACAU 
                    UGUGAUG    AC GGCGCU CUAUUGU  ACACUGU        \
                    ACACUGC    UG CCGUGG GAUGACA  UGUGACG        U
UUAGCGGAACUCAACAAGCC^      UAC-  C      U       --       CUAAAAGU 
   120       110       100         90        80          70