10          20        30        40        50          
CCAGGGCUGCUCAAUGUUU--|     C    G      A     U         CAGGAU 
                     GAUAUU AAAA GUGGAU UUCCU CUAUGUUUA      \
                     CUAUGA UUUU CACCUA AAGGA GAUACAAAU      U
UUACAGAGUUUUCGUUGAAAU^     A    A      A     -         CGACAG 
.       110       100        90        80         70