10        20          30        40        50        60
AUAUAUAUUCAUGCUGAAAAA--|  G     A    U      AA     G   UAACUU 
                       UCA UGAUC AUCA GCUCAA  CAUUC ACA      A
                       AGU GCUAG UAGU CGAGUU  GUAAG UGU      A
AAACAUCUUUUUACACAUGAGAA^  A     G    U      A-     G   UUCUUU 
 .       110       100        90        80         70