10          20        30        40        50         
CUGGAGUCCUCGAGAUA--|      U    A       AA  U  A        AACUA 
                   AAUGCUU GCUG AGCUGGU  AA GG ACCAGAUC     C
                   UUACGAG CGAU UCGACCA  UU CC UGGUUUAG     U
ACGUCGAGGUCUCCGCAAA^      U    A       AC  C  C        GCAAC 
.       110       100        90        80        70        60