10         20        30            40        50        60   
GGAGUACACCUCCGUCUUU-  G   AACGG-        U---|   A       AAUUUACCAAC 
                    GU CUC      GUAAGUGG    GUAG UGAAACA           A
                    CA GAG      CGUUUACC    UAUC ACUUUGU           A
UCAAGGAACUUGUCAAGGUC  G   CAUCGA        UUGC^   C       UAGGUUGUUUU 
 .       120       110       100        90        80        70