10          20        30        40        50          
CCCUUGCAGUGAUGUAU--|      UGU   U         CCC           GUACC 
                   CGUAGUC   UGC GUAAACAUC   GACUGGAAGCU     \
                   GUAUCGG   ACG CGUUUGUAG   CUGACUUUCGA     U
GGAAGACGACAACAGGUCC^      UCC   U         A--           CCUCG 
       110       100        90        80          70