10          20        30        40        50        60  
GUGUUCCUGUCCGUGCU--|   C     UG          A      G    UUCGCUGUGU 
                   GUUU AUACU  AGGAGAAAUU UCCUUG UGUG          \
                   UAAA UAUGA  UUUUCUUUAA AGGAAC AUAC          U
CCUUCAGACGACUCCGUCC^   C     GU          C      -    UAAGGAGUGU 
  120       110       100        90        80         70