10          20        30         40        50        
GUGAUGACCACGGGAAC--|    C       G  -          C   U   CGUGAU 
                   CAGGC CAGGCCU CU GACUCCUAGU CAG GCU      G
                   GUUCG GUCUGGA GG CUGGGGAUCA GUC CGG      G
UUUUCUUGAACAGCUAUAA^    C       -  U          A   C   GAUACG 
      110       100        90         80        70        60