10            20        30        40        50         
AAUAACGUUAUUUGCAU----|  AA           UG     A   U       UUACAA 
                     GGU  ACGUCGUCAGU  CAAAU UCG GGUGGCA      \
                     CUA  UGUAGCAGUUA  GUUUA AGC CUACCGU      G
UUAAGAAAGUUAUUAGAUGUA^  --           GU     A   -       UCUGAU 
      110       100          90        80         70        60