10         20         30        40        50        60 
CGGGGCCGCGGCCCCCC-     C-|                        CG    UGGACU 
                  GGUCC  CCGGGCCCAGGUUCUGUCAUGCACU  GACC      \
                  CCAGG  GGUCCGGGUUCAAGACAGUACGUGA  CUGG      C
CCGCACGAGGCACUCCUU     CA^                        --    CGAGGU 
 .       110       100        90        80          70