10          20        30         40        50        60  
CCAAACAUGAUUUUAAAG--            -|         U      GU     UUUAACU 
                    CUUCUUCAGGAA GCUGGUUUCA AUGGUG  UUAGA       \
                    GAGGAGGUUCUU UGACUAAAGU UACCAC  GAUCU       A
UGAAAUUUUCACAUCGGUAA            G^         U      --     GUGAGUC 
  120       110       100        90        80          70