10          20        30        40        50        60  
AGUUCUGAGGAAAUAAU--|      C    A           U       U   GUCCUUCU 
                   GCCAAUC CGAA ACUGUUUUUUC UGGUGCU AGA        \
                   UGGUUGG GUUU UGACGAAAAAG ACCACGA UCU        U
AAUCGAAAAUGUACAUGUA^      U    C           U       -   GCUGUUUU 
  120       110       100        90        80         70