10           20         30        40        50        
AAAAAUGUAUAUCGAUU---|   UA    AA-      C  C         C  UCGGAU 
                    UGGU  UGUA   UCACCU UG GUUCGAGUU AU      U
                    ACCA  ACAU   GGUGGA AC CAAGCUCAA UA      A
UAAACAUGCGCAGCAAUUAA^   --    GUA      C  U         A  UAUUUU 
      110       100          90        80        70        60