10          20        30        40        50        60 
GAGGCCUUGGGAACCUG--|   A  C               U      A  C  UGGUACA 
                   GUCC AC CAAUCACAUCCAAAC GGACGC CU UC       A
                   CAGG UG GUUAGUGUGGGUUUG UCUGCG GA GG       A
CGUUCCUGCCUGCGGUCCA^   G  U               U      -  C  AAGCACG 
 120       110       100        90        80         70