10          20        30        40        50          
GUUUUGGAGUGAGAAGA--|    U     C  U           A    UU    UUGUC 
                   UCUCA GCAGU AU CUCCAAAAGAA GCAC  UCUG     \
                   AGAGU UGUCA UG GAGGUUUUCUU CGUG  AGAC     U
AGUUGAAGUUGCACCAAAA^    U     U  C           C    --    GAAAG 
       110       100        90        80        70