10        20          30         40        50          
UGAUCCCCAAAUUCAUCGGGC--   U  C  -|      C               AGUUGU 
                       CAU CG UA AAAGGAA GAUCGUUGUGAUAUG      \
                       GUA GC AU UUUCCUU UUAGUGACACUAUAC      U
GAACUACUCAACACCUGAAAUUU   C  A  A^      -               AAUCCU 
 .       110       100        90         80        70