10          20        30        40         50        60
GACGGCACUCAUUGUUA--  C       C         C   -|    A  A  GUUUAAA 
                   GG UUCACGU UGAGUUGGA AGG GGAUC UG CA       A
                   CC AGGUGCG ACUCGACCU UCU UCUAG AC GU       A
UGCGGCAGCUCGUCAACCU  A       C         U   A^    -  C  CGUACAC 
120       110       100        90        80         70