10          20        30        40        50        60  
CCUGGCCUGGCCUCCUGCA--|    A    CCGU                GUUGGACACUUC 
                     GUGUC CGCU    GUAUUUGAUAAGCUGA            \
                     CACGG GUGA    CAUAAACUGUUUGACU            A
ACCGGACCUCGACGAUCCGUA^    C    ACCC                GUGAGAUGGUGU 
   120       110       100        90        80        70