10        20          30         40        50          
UGUUCCCCCAAUUUAACGGGC--   U  C  -|      C               CGUUAU 
                       CGU CG UA AAAGGAA GAUCGUUGUGAUAUG      \
                       GUA GC AU UUUCCUU UUAGUGACACUAUAC      U
GAACUACUCAACACCUGAAACAU   C  A  A^      -               AAUCCC 
 .       110       100        90         80        70