10        20        30               40        50        
CUGUUGAAACUAUACAGCUUUAU  UA   -------|    G     U UU    A   GUAA 
                       GU  CCU       GCGAG GAAGG U  CGCC AUC    A
                       CA  GGA       UGCUU CUUUC A  GUGG UAG    C
GUGAAUUAGACUGCAAAG-----  UC   UCGUGUC^    G     - GG    C   AAAU 
     110       100             90        80         70        60