10          20        30        40         50        60  
CCCCGAGGAACUCUCCUG--|   U     CU         C    U   -  G  CUCGUGUC 
                    GUUC GCACG  CCCUUAUCA UUCU CCG CC AG        U
                    CAAG CGUGC  GGGAAUAGU AAGA GGC GG UC        C
UCUACCUGCCUACCUAACCA^   C     CC         C    -   A  -  GACUGAGU 
   120       110       100        90        80          70