10          20        30        40        50        60      
CGUCAUCGUCAUCGUCGCA--|    GUA           CC      U     GUUACCUUCCUUG 
                     CAGGU   AUCUAGCCUCU  UAGGCU UGUCU             G
                     GUCUA   UGGAUUGGAGA  GUCCGA ACAGA             G
UUGGCAACCGGCAACUGAAAA^    AAG           CA      U     CCGAUCACCUUAA 
  130       120       110       100        90        80        70