10          20        30        40            50     
GAGCGUGCUGCUCCACG--                   C     GC----|   UCGCAU 
                   UGGUGCUGAGGAGAGGUCG CCGUG      GCGU      C
                   ACUAUGACUUCUCUCCAGC GGCAC      CGCA      C
UCCGUACGUUCCGCCCUCG                   U     AUAACA^   GUACUA 
    110       100        90        80        70        60