10        20          30        40        50        60 
ACGAUAUAUCCAAUAUGAAAAU--|    A    AC        UC      A   UGCAUU 
                        AUCCU AAAU  CCUGUAGA  CGGGUU CUG      \
                        UAGGG UUUG  GGACAUCU  GCUCGA GAC      A
CAUCUGGUAGACACUUAUCUGCUU^    A    AU        UU      A   CACAGA 
 120       110       100        90        80        70