10          20        30        40        50        60  
CUGGAUGCGACACGGAC--|   A  C    C   A     AGU     U      GUCUCAU 
                   GGCU GC CCAU UGG AGACU   GAUUU GUUGUU       \
                   CCGG CG GGUA GCC UCUGA   CUGAA CAACAA       U
GGGUCGUGGGGCGACGCCA^   A  U    U   G     CC-     -      CUUGCCA 
 120       110       100        90         80         70