10            20        30        40        50        60  
AUACGAAAAUUAUCGAC----|    CG      U          A      A    UGGAUUUC 
                     AAGUU  AACGGU GGAUAAAAAU UGAUCU CACA        \
                     UUCAG  UUGUUA CUUAUUUUUA ACUAGA GUGU        C
UUAAUAGCAUUAAAACAUCUC^    --      U          C      -    UUAAGUAA 
  120       110       100          90        80         70