10          20        30        40        50        60  
CUCCACUAUGCAGUAAAA--| UG     AAUC    U       UU       CAUAAUUAA 
                    GU  GGAUA    GAUA GUGGUAA  UGGAUGA         \
                    CA  CUUAU    CUAU UACUAUU  ACCUACU         C
UUUUUACAAUUCUCCUAGUA^ GU     AAAA    U       CU       CUAAUGUUU 
   120       110       100        90        80        70