10            20        30         40        50        60    
UUCUAUUAUUUUGGUUU----|   C     A        -  U  CU         GAAGAAAUACA 
                     CAUA UAACU GAUGAGGU AG GA  CAAAAGGUU           U
                     GUAU AUUGA CUAUUUCG UC CU  GUUUUCCAA           C
CAAUUAUAGAUUUAACAAACA^   -     -        A  U  UU         AAUGAGGUAAA 
 .       120       110         100        90        80        70