10        20          30        40        50          
GAUAGCCGUUUCUGUAAU   --|    A      A       G   A       GUGCUU 
                  CAU  AGAAU GCUUCA UUCCGUA UGC UUGCAGU      \
                  GUA  UCUUA CGAAGU AAGGUGU ACG AACGUCA      U
GAACUCUAACAACUACUA   AC^    G      G       A   -       AGCAGA 
.       110       100        90        80         70