10          20        30        40        50        60  
UCUAAAUUUCGGUACAA--| GG   A   G   U         AAC  G   UUCCCAUUAA 
                   UG  CUG UGU CAG GGUGCUGAG   CU CAG          C
                   AC  GAC ACA GUC UCACGACUC   GA GUC          U
AAUCCGUACAUCUAUUUUC^ UA   A   A   U         GUA  G   UAAAGUGAUU 
    120       110       100        90        80        70