10          20        30        40        50          
UUUACCGCUUUGUGUUU--|  UC  A     C    U        C       UUUCGUG 
                   GGU  CC CCACG UAAG AGUAGUGC GCAGGUA       \
                   CCA  GG GGUGU AUUC UCAUUACG CGUCCAU       A
UUUAGUUGCACAUCAAGCA^  UC  A     A    C        -       UUCAAGG 
.       110       100        90        80         70