10          20        30        40        50          
UCAUUUACAGGCACUCUU--|  A       UG         U  A    CA    GUGGC 
                    AGC UUUGAGG  AAGUUCUGU AU CACU  GGCU     \
                    UCG AAGCUCU  UUCAAGACA UA GUGA  CUGA     U
GUUUACCCGUCGACGAUCUU^  A       GU         C  C    --    AAGUC 
       110       100        90        80        70