10        20          30         40        50        60 
AAUGUAAAAUAUUCUAAG   --   U  C  -|      C               CGUUUAU 
                  GAC  CAU CG UA AAAGGAA GAUCGUUGUGAUAUG       C
                  UUG  GUA GC AU UUUCCUU UUAGUGACACUAUAC       C
AAAACUACGUAAAACCUG   AC   C  A  A^      -               AUUGCUC 
  120       110       100        90         80        70