10          20        30        40          50          
ACCAGUGAUUCUUCCCU--    UUU      UU         U--| A    U  UGAUAAU 
                   GGGA   GGGAGC  AUCAGAAUC   CC GGGG AC       \
                   UCCU   CCUUCG  UAGUCUUAG   GG CCCC UG       U
CUUCUUCUCCUCCUCCUCC    CUU      UU         UGC^ A    C  AAAAAUU 
 120       110       100        90        80        70