10          20        30         40        50        60
GUCACAAAAAAACCAUU--     C   U  A-|   U    C           ACGUUUUG 
                   GUACC CUC CA  UCCC GAGA CCUAACUUGUG        C
                   CGUGG GAG GU  AGGG UUCU GGAUUGGGCAC        U
CUUAUUUCCUCUGCAGACU     C   C  CG^   -    C           CUGUAUUG 
120       110       100        90         80        70