10          20        30        40        50         
AACACAUGCAUGAAUAU--|   UU      UC UG       CACA      AUUUAAC 
                   GGGU  UACAGU  C  CAUUGUA    CUGUGC       \
                   CCCA  GUGUCA  G  GUAACAU    GACACG       U
CGAGUAUACCCAUCUUAGA^   UU      UA GU       ACGC      AAUGUAU 
       110       100        90        80        70        60