10          20        30        40        50        60 
GGAGGUUGUAACUGUAA--|    U        A    G     C         GUGGUAGU 
                   CGUUG CUAUAUAU CCCU UAGAA CGAAUUUGU        \
                   GUAGC GGUAUAUA GGGG AUCUU GCUUAGACA        C
CUCUUUGCACUUCAAAAAC^    U        A    -     A         CUGACACA 
120       110       100        90         80        70