10          20        30        40        50        
UAACAUAUGUCUGUAAC--|                                 CUUGGG 
                   CCUAGCUUGGUUCUAAAUCCCACGGUGCCUUCUC      \
                   GGAUUGAACCAAGAUUUAGGGUGUCACGGAAGAG      A
CCAUUAGACUUAGAAAUCA^                                 ACAAAA 
     110       100        90        80        70        60