10          20        30        40        50        60 
GCAGCAUAGCAGUUCAG--|            CG    A    CG    U     GUGACGU 
                   CUCUACCUCGGUG  GCUC UCAC  GGCA CUUGC       \
                   GAGGUGGGGUUAC  CGGG AGUG  CCGU GAACG       U
AGAAGUUAACCAACAUUCC^            AA    A    AU    C     UCUCAGU 
 120       110       100        90        80        70