10          20        30        40        50          
CAGCGUGGAAGACUUCA--|   A  A   CU  C   U      A  C      AGGUUU 
                   GAGA UC UCU  CC AGA AAUGGC CU UCAAAC      \
                   CUCU AG AGA  GG UCU UUGUCG GA AGUUUG      C
CUCCGAAGGUCUUCCUUAA^   C  A   CU  U   -      -  A      UUGGAC 
       110       100        90         80         70