10          20        30        40        50         
CCACUCUCCACGCUCCU--|  C   A    CC        G   GA       UUAAUG 
                   GCC CCC CUCU  GUGUUCAC GCG  CCUUGAU      \
                   CGG GGG GAGA  CGUAAGUG CGC  GGAAUUA      A
CAAACAAACACCAUGUACU^  C   A    AC        G   AC       ACAAAC 
       110       100        90        80        70        60