10          20        30        40        50        60 
GUUGGUCUUCCAUCGUG--|              ACC      U  A       UAGGAUUC 
                   GACUGCCACUUUACC   GAUAUA GC CCAAUUA        A
                   CUGACGGUGGAAUGG   CUAUAU CG GGUUAGU        G
GUGCCGACUAACUACAGUC^              AGA      C  C       AGUACAAU 
  120       110       100        90        80        70