10          20        30         40        50        
GUGAUGACCACGGGAAC--|    C       G  -          C   U    GUGAU 
                   CAGGC CAGGCCU CU GACUCCUAGU CAG GCUC     G
                   GUUCG GUCUGGA GG CUGGGGAUCA GUC CGGG     G
UUUUCUUGAACAGCUAUAA^    C       -  U          A   C    AUACG 
      110       100        90         80        70        60