10        20          30        40        50        60  
CCAUCCAUGAGACAAAUCAA--|   U   UGA   U      CU       A  UUUGGCAG 
                      GGUU CGG   ACA UCAACG  GUCGGUG GU        \
                      CCAA GUC   UGU AGUUGC  CAGCUAC CA        C
GUAGUCUUCGUUCGAGACAGGA^   U   CCA   C      --       -  AAUGAUAA 
120       110       100        90        80           70