10          20        30        40          50        
UUUUUAAUUGAUAGAAAC--    U  G   A          --|    U      UUUAA 
                    CAGU GA GUC ACUCUAACUU  UAGCA CUUUCU     G
                    GUCG UU UAG UGGGGUUGAA  AUCGU GAAAGA     C
CACCCGUCUCCACUGAUUCA    U  G   A          CU^    -      UGAAA 
       110       100        90        80         70        60