10          20        30        40        50        60
CGUUGAACAGCGUGGAGU--|    CG   U         U  U     G     UUGAGU 
                    UCGCU  UUA GUCUUUGGU GC UGGCU UAUGA      U
                    AGCGG  AAU CGGAGGCCA CG AUCGA AUACU      U
UCAAAGUCUCCGUCAGAUUC^    UA   U         U  U     A     AGAACG 
120       110       100        90        80        70