10        20          30        40         50        60
AUAGAGAUUGCUAUAAACUG--   GGUA             -|    GU    GAGAGUAA 
                      GCU    GUACCUGAGUUUU CACUG  GUCA        A
                      CGA    CAUGGACUUAAGA GUGGC  CAGU        U
AAAGAUAUAAGCAACCAUCAAA   AAAC             U^    AC    AUUUAGAU 
 120       110       100        90        80        70