10        20        30          40        50        
UCUACACAAUGUAAAAGC     U  GU   A--|      UU  C      U  CGAA 
                  GGCUG GU  CAU   CCCUGUA  UC GAAGGU UU    \
                  CCGAC CA  GUA   GGGACGU  AG UUUCCA AA    A
ACUAAAACUUCUAUGCCC     U  AC   CGC^      UU  -      C  GUUG 
    110       100        90        80         70        60