10          20        30        40        50          
CUCGCGCUCCCCGCGCCC--|     C   C    U         C         UUGGAA 
                    GGGCUU CCA CACU AAACGUGGA GUACUUGCU      \
                    UCUGAA GGU GUGG UUUGUACCU CGUGAAUGA      G
GGCGCCGCGAGCGCCCUCCC^     U   A    C         U         AAGAGC 
 .       110       100        90        80        70