10          20        30        40        50         
UUUUGUGCAAAUUCGAC--| A    AA       C      UC       G   GUUCU 
                   AC UUCU  AUAUACC UGUAGA  CGGGUUU UGU     U
                   UG AAGA  UAUAUGG ACAUCU  GCUCGAA ACA     U
CAGUAAAAUACCACAUCCC^ C    GC       -      UU       G   AAAGU 
       110       100        90         80        70        60