10          20        30        40        50         
UCUCUUUCUGAAGCAACA--|  CU   U         CA  U  A     GU AGGUGU 
                    CGC  UGC GUGGCUGGU  AA GG ACCAA  C      U
                    GUG  GCG CAUCGACCA  UU CC UGGUU  G      U
CAGAUAUACAUCCGACAUAA^  CU   U         AC  C  C     UG AGCGUC 
.       110       100        90        80        70        60