10          20        30        40        50         
UCCUAGAUCUACAGAAAU--| A   C              AG   GA      UUCAAA 
                    CU UCA UGCUUUUUAGGAUA  UUU  CUUUUG      U
                    GA AGU ACGGAAAAUCCUAU  GAA  GAAAAC      A
GUACAGUCUUUGUGUAAUUU^ C   A              GU   AG      GUAAAA 
.       110       100        90        80        70        60