10          20        30        40        50        60
AUCACAUCCAGAAAAGU--|           CA       UUUA      G    UUGGUA 
                   AUUAUCCUUUUG  AGGAGAA    AGCAGU UAUG      U
                   UAAUAGGGAAGU  UCUUCUU    UCGUCA AUAC      U
UAUGGAUGAACAACGAGGC^           UA       CUAA      G    ACACAA 
120       110       100        90        80        70