10            20        30        40        50          
UCAAAUGAUUUGUGUUC----|    UC      AU  G      C      G    UUGUUG 
                     UGGCA  GUGCUU  UG CACUGG GGAAUA UCAC      \
                     ACUGU  CAUGAA  AC GUGACU CCUUGU GGUG      U
UACUGCGAAGAACCAGAAAGU^    --      AU  G      U      -    UUAACG 
.       110       100          90        80         70