10          20        30         40        50          
AACUUCGUCUUUGAGUAG--     GACAC           -|   A  C      GUGACA 
                    CCUGU     UGCCUUAUUCA GUAG GU GUGAUG      \
                    GGGCA     AUGGGGUAAGU CAUC CA CACUAC      A
ACAUGCUAAGCGUCAAGGUA     AGGCA           A^   -  A      UCAAAG 
 .       110       100        90        80         70