10          20        30        40        50         
UCUGUCUUUACCUGGAGU--|   U  G  AGC         UC   G       GUUUA 
                    GAGG GU GU   UUGGCACUG  UGA CGCAGGU     C
                    CUCC UA UA   AACUGUGAC  ACU GUGUCCA     U
GUAGUUACUGGCGACGUAAU^   U  G  ACA         UC   -       UUCAG 
       110       100        90        80         70        60