10           20        30        40        50         
UUAUAACAUUCUCUUUU---|     G    UU         UAGU         UUGGCU 
                    GACUGU UCUG  UUGCAUUGU    UGCAUUGCA      U
                    UUGACA GGAC  AAUGUGACG    ACGUAACGU      U
GACGACUCUUUCUACUAUCA^     G    U-         CAU-         AUUAGA 
       110       100        90         80         70        60