10         20        30            40        50        60     
GGAGUACACUUCCGUGUUC-  G    ACGG-        U---|   A       AAUUUACCAACAA 
                    GU CUUA     GUAAGUGG    GUAG UGAAACA             \
                    CA GAGU     CGUUUACC    UAUC ACUUUGU             U
UCGAGGAACUUUUCGAGGUC  G    AUCGA        UUGC^   C       UAGGUUGUUUUUA 
  130       120       110       100        90        80        70