10          20        30         40        50        
UCUAUGCUGCUGACGUAC--|     U  U       U  -     U  U     CUUUA 
                    GGUGCU AA GAGAAGU GC CCGCG GU UUUCG     U
                    CUACGA UU UUCUUCA CG GGCGC UA AAAGC     A
UUCAGAAGUUGCAUCUUAUC^     C  U       -  U     U  C     AGUGU 
      110       100        90         80        70        60