10          20        30        40        50         
CAAGAUCCCCAAGUGCU--| CCC                 C           CCCUUUA 
                   GC   UGACUGAAUCCAGAUUU ACAGAACAAAU       \
                   CG   ACUGACUUAGGUCUAAA UGUCUUGUUUA       U
AGACCUAGGAACUCACUCC^ AAA                 A           GGAAAAU 
       110       100        90        80        70        60