10          20        30        40        50        60        70        80      
CUAUUACUUUGAGCGAU--| CUU        AA      U            AGAAGAAUGGGGAAAUUUCUUGAUGGAAAUGGUU 
                   GG   UCGCCUGG  AUCUCA ACGGUAAUUUGG                                  U
                   CC   AGCGGACC  UGGGGU UGCCGUUAAGCC                                  U
UCUCCAAUCAUCGAUGACC^ ACU        GG      C            CAUGACCCAAAACCUUUUAGUGCGUCCACGCGCU 
  170       160       150       140       130       120       110       100        90