10        20            30         40        50        60
GUCGGGCUCUUGUGAUCAGA----|  UA     A       A-          U  GAUCUAA 
                        CGA  AGAUU UUGUUUU  UCAAUAACGA UA       A
                        GCU  UUUAA AACAAAA  AGUUGUUGCU AU       U
UUAUGGUCUCACGACAAAAAGUUA^  --     G       AA          U  AAGUUUA 
 120       110       100          90        80        70