10        20          30         40        50         
UUAUCACCAAAUUCAUCGGGC--   U  C  -|      C               AGUUG 
                       CAU CG UA AAAGGAA GAUCGUUGUGAUAUG     U
                       GUA GC AU UUUCCUU UUAGUGACACUAUAC     U
GAACUACUUAACACCUGAAAAUU   C  U  A^      -               AACCC 
.       110       100        90         80        70        60