10        20          30        40        50         
UCUUUAUACAACGCGUUCCCU--|  C          A       CA        UGACU 
                       GUC CGCUGAGGUC GGAUGGG  GCAAUGCG     \
                       UAG GCGAUUCCGG CCUGCUC  CGUUAUGU     A
CUUUUACUAGCCUAUGGGCUAUU^  A          C       A-        CCUAG 
      110       100        90        80         70        60