10          20        30         40        50        60        70  
UCCCACAAUACGCAUAAC--    U           -|     U    U     UUGUUGACGUUUGGGUUCUU 
                    AUAU UGCUAGGUAGC CUCUCC AGGC UUGUC                    G
                    UAUA ACGAUUCAUCG GAGAGG UCUG AACAG                    G
GCACAUGGCCAACUGAAAGC    U           C^     U    C     AUCUUAAAGAAAACGGCUUC 
     140       130       120       110       100        90        80