10          20        30        40        50         
GGAACUCAGUCCUUCUU--|      U           A     U         CGUGCU 
                   UGGUAUU AAAAGGUGGAU UUCCU CUAUGGUUA      \
                   ACUAUGA UUUUUCACCUA AAGGA GAUACUAAU      U
UAUCAAGGUCUCGCUGUAA^      C           C     -         AGGUCC 
      110       100        90        80         70        60