10        20          30         40        50         
GCUGGUUGCCAUGUGGAG     GC-   -        C  -|    U       UGGUUA 
                  GAGAU   CAG AUUCAUCA AG UGGUU UGAUGUG      \
                  CUUUG   GUC UGAGUAGU UC ACCGA ACUAUAC      U
UCCCUCACUUCUCAUUAC     AUU   U        U  G^    C       UUGUAA 
.       110       100        90        80        70        60