10          20        30        40        50         
GACACCCCGGCCCCACA--|   ACU     U      U               GGUAAA 
                   GACG   UGGGC CAGGUA GUCUGCGGUGAGGCU      A
                   CUGC   ACUCG GUCCAU UAGAUGUCACUUUGG      C
UCUCAUCUCCGACCUACAC^   GGU     C      C               ACGGCU 
.       110       100        90        80        70        60