10          20        30        40        50        60
CAAGAAGAUUAGAGUAC--|    CGA        UG        A      AUUCAUUUC 
                   AAUUC   UCGUUAGC  GUUAUGUG ACUAAG         C
                   UUAAG   AGUAGUCG  CAAUACAC UGAUUU         U
CUAAAGGCUCUGCUAUUGU^    AUA        GU        G      AUAAACUAU 
120       110       100        90        80        70