10          20        30         40        50        60  
AGAAAACAGAUCAUAAAG--            -|         U      GU     UUUAAAU 
                    CUUCUUCAGGAA GCUGGUUUCA AUGGUG  UUAGA       \
                    GAGGGGGUUCUU UGACUAAAGU UACCAC  GAUCU       A
GGGAACCGUCGCGUCCACCA            G^         U      --     GUUAGUG 
  120       110       100        90        80          70