10          20        30        40        50        60  
UUUAGAUGGACUGACAUA--|    UC    CU         UA           AGUGAAAU 
                    CUUGU  CACU  AGCAGCACG  AAUAUUGGUGU        \
                    GGACA  GUGA  UCGUCGUGU  UUAUAACCACA        A
CUUUACUAUCAACGAUAUAG^    GU    UU         UA           AAUUAUAA 
   120       110       100        90        80        70