10          20        30        40        50         
GAAAUUGGACCAUUAUC--|                      CA          AUUUUU 
                   UUACAUCACACACAGAGUUAACU  AAAUGGACUA      C
                   GAUGUAGUGUGUGUCUCAAUUGA  UUUACCUGAU      C
UCGGAGGUCUCAAAGAUCU^                      AC          UGAUCA 
.       110       100        90        80        70        60