10            20        30        40        50        60  
AUUGGUGGACGGUCUACA----|   GGA             U             UGGAAUAUU 
                      CUGU   UCCGGUGAGGUAG AGGUUGUAUAGUU         \
                      GACA   AGGCCAUUCCAUC UUUAACGUAUCAA         A
CUGCUGCGUCGAAGCUUCUCAA^   G--             U             GUGGCCACC 
   120       110       100          90        80        70