10          20        30        40        50        
UUGACAUCCUGUAACCU--| U        UA   U  A    UC       UCUCUAU 
                   CG UGAUGACG  UUC CG UUGU  UGGUCCA       \
                   GC ACUACUGC  GAG GC AACA  ACCAGGU       C
UAGUUCAAGUCAACCUUCC^ U        CC   C  A    UU       CGUGUUU 
     110       100        90        80        70        60