10          20        30        40        50        60      
CUGUGAGAGGAAAAUAU--|      U         U    A            UCCAAGUACCCCG 
                   GAGGAGU AAGAGUUCA UCGG UGUCCAGAUGUA             U
                   CUUUUCG UUUUCAAGU AGUC ACGGGUCUACAU             U
UCCUAAGGUCAACUCAAUA^      C         U    A            AAAUAACGGUUUA 
  130       120       110       100        90        80        70