10          20        30        40        50        
CCACAUUCACCCAUUUA--|          C    A   GG     U        UGAA 
                   CUGUACAUUGC UUUC CAG  AGGUG CAUUUAUG    C
                   GACAUGUAAUG GAAG GUC  UUCAC GUAAAUAU    U
UGGUGUAUACGUCACGUAC^          A    A   UU     U        CAAA 
      110       100        90        80        70        60