10        20          30        40        50         
UUCCUCCUGGGGAAUAUCAAA--|        A     CA   U  C       GUAUGU 
                       CCUGUGGGA AGGUC  ACC CA AUGUCCU      \
                       GGACACCCU UCCAG  UGG GU UGUAGGG      A
ACGUAAACACAUUCUUAUGUCCC^        A     AC   U  A       GAAAUA 
       110       100        90        80        70        60