10          20        30        40        50        60
AGGUUCCCGAAUGACAUA--|   ACG     A             C      AGUUGAUG 
                    CGGC   GUGUG GGACGUCGUACGU AUGCAG        G
                    GUCG   CACAU CCUGCAGCGUGCG UACGUU        C
AUGGAGACCGGUCUUUCUCG^   CGA     C             U      GUAUUAGG 
120       110       100        90        80        70