10          20         30         40        50        60        70
AUAUCGACGUUUUGAGU--  GU        -          -|           AAGCCCGCUACAAGUUUG 
                   AC  CUCGGGGU UCGUGCCAGG GGUGCGUUUGCA                  C
                   UG  GGGCCCCA AGCAUGGUCU UCACGUAAAUGU                  G
CCAUGUCAUCGCAGCGUUG  UG        C          A^           CACAGUUGAAACGUUGUU 
  140       130       120       110       100        90        80