10        20          30        40        50         
UCUCAACAUCAAACCACAAU--| UUU    A       AA  U  A       CACCUC 
                      GC   GCUA AGCUGGU  AA GG ACCAAAU      U
                      CG   CGAU UCGACCA  UU CC UGGUUUA      U
UUGGCAAGUACUACAGUAGUUU^ UAU    G       AC  C  C       GGUAAC 
.       110       100        90        80        70        60