10             20        30         40        50        60  
GACGUGCAGAACGCUGG-----|   UC      CU        -  UU   UA     GUUCCAGU 
                      CAGU  CAAGCU  GAGAACUG GU  UCA  GACUG        U
                      GUCA  GUUCGA  CUCUUGAC CA  AGU  CUGAC        C
AGGAUUCAAUACUUCAGUCUAU^   --      U-        U  U-   GC     UCGAAUGU 
    120       110         100         90         80        70