10          20        30        40        50        60  
GAAGGUAUAUUGCUGUUGA--|    A   A            UC           GUGAAGC 
                     CAGUG GCG CUGUAAACAUCC  GACUGGAAGCU       \
                     GUCAU CGU GACGUUUGUAGG  CUGACUUUCGG       C
CAUCGGGGAACUUCAGGCUCC^    C   C            --           GUAGACA 
 120       110       100        90          80        70