10          20        30        40        50         
UCUGAUGCCAAGUGUUU--|          UUC   C    AG      CU    GGGUU 
                   GAGAGGCUGGA   GGG CCGG  CGCUGU  GAGA     \
                   UUCUCUGACUU   CUC GGCC  GUGACA  CUCU     U
UUUCUAGUCCUUCUAAUCU^          UUU   U    AA      --    UUGCA 
     110       100        90        80        70          60