10          20        30        40        50         
UCAGUCAAAUAUCACCAA--|  U  C   A    U           G    UUUCCCAU 
                    GGA CU CUU CACU AAACAUUGAGG ACUU        G
                    CCU GA GAA GUGG UUUGUAACUUC UGAA        U
UCAAAGACAUAGACCACCGA^  U  A   A    U           G    UGUCGUCA 
.       110       100        90        80        70        60