10           20        30         40        50        60
GUGCGUUUUCCUCUCUG---|   GUCUGUUC       -   G     C      UAUGUUA 
                    GGGU        ACAUCUU ACC GGCAG AUUAGA       U
                    CCCG        UGUAGAA UGG CUGUC UAAUCU       C
CUGUGUUCUUUCUACUCGUA^   AGCCUGC-       A   A     A      UUAUAGG 
 120       110       100         90        80        70