10        20          30        40        50        60 
CCGAUACAUCAAUUCACAUGUA--|   CGCA        U   ACA         GUGAAU 
                        GCAG    UGUAAACA CCU   CUCUCAGCU      \
                        CGUC    ACAUUUGU GGA   GAGGGUCGG      U
CAACACAAACCCACUAUCAGGUAC^   UUCC        U   A--         UGGUGU 
 .       110       100        90        80          70