10           20        30        40        50          
GUUCUUAAAAGUCUGUAGC---|   C   A  G       U       G     UAUGGUG 
                      CAGU AGA AU AGCUUAU CAUAAAA UGCAG       \
                      GUCA UCU UG UCGAAUA GUAUUUU AUGUC       G
UCUUCUGUCGACGACGUGCAAA^   A   C  G       U       A     UGACUGA 
120       110       100        90        80        70