10          20        30        40        50        60 
AUUAAUCGCACCAUAAUA--|     U  U           U       ACA    UGAGUU 
                    ACUUUG UA UCGCUGUAAGA GGUAACA   AAGC      A
                    UGAAAC GU AGUGACAUUCU UCAUUGU   UUCG      U
CUUUUUCAACUCCAAUAACA^     C  U           -       GG-    UUAUUG 
120       110       100        90         80         70