10        20          30         40        50        60  
AAUAAAAUAAAUAAAAUUAUAU--          -|             C     UUUAUUUAA 
                        CGAGUUAUCU AAGGAAAUAGUAGC GUGAU         C
                        GCUCAAUAGA UUUCUUUGUCGUUG CACUA         A
AAAAAUUUCUACAAAAAUUUUCUU          U^             A     CCACAUUCA 
     120       110       100        90        80        70