10            20        30        40        50        60  
AUUUUAAAUGUGGUUUA----|   ACGG     C       U     A  A     GUACAGUU 
                     UGGU    UGCGA CGGAUGA GGUUC CA CGACC        \
                     ACCG    AUGUU GCCUGCU UCAGG GU GCUGG        U
ACGACUAUUUAGCAACUGUUU^   CA--     U       U     -  G     GCAACUUU 
  120       110       100          90        80         70