10         20          30        40        50          
ACUUGUUGAGUAAAAGA- UG A-       -|          U     GCAUAGAUGUUUG 
                  C  C  CUCAGAA ACUGAUUUCAU UGGUG             \
                  G  G  GGGUCUU UGACUAAAGUA ACCAC             U
AGACAUGUACGACUAUCA GU CA       G^          U     GAUCUCUGAUCAA 
120       110       100        90        80        70