10          20        30         40        50        60
GGAACAUCACCAUGACAG--    CU           A-|   G   G       AGUGUUG 
                    CUGG  UGUGGCCGGGA  CCAU CUG GUUCGCA       U
                    GACC  ACGCCGGCUCU  GGUG GAC CAAGUGU       U
UACCUGACCUCCGACCUACG    CU           AC^   -   A       UUGAAUC 
120       110       100        90        80         70