10          20        30        40          50          
GACAGUGAUUCUUCCCU--    CUU      UU         U--| A    U  UUAAAAU 
                   GGGA   GGGAGU  AUCAGAAUC   CC GGGG AC       \
                   UCCU   CCCUCG  UAGUCUUAG   GG CCCC UG       U
GUCACUAAGAGUCUCUUUC    UCU      UU         UGU^ A    C  AAAAAGU 
 120       110       100        90        80        70