10          20        30        40        50         
CUGGAGUCCUCGAGAUA--|      U    A       AA  U  A       CAACUA 
                   AAUGCUU GCUG AGCUGGU  AA GG ACCAGAU      C
                   UUACGAG CGAU UCGACCA  UU CC UGGUUUA      U
ACGUCGAGGUCUCCGCAAA^      U    A       AC  C  C       GGCAAC 
.       110       100        90        80        70        60