10          20        30        40        50        
UUGCUCCUUGACUUGGCG--|   UC   CUC      U            AACUCGGU 
                    CCUA  AAU   CCGGAA CAUUUCUGCACA        A
                    GGAU  UUA   GGUCUU GUAAAGGCGUGU        C
ACUUCGAGAACCCUAUUUCA^   UU   CAU      C            GACAAGGU 
      110       100        90        80        70        60