10          20        30        40         50        60
AUAACCGAAUAUUUGCA--    A    A   CU        -|   CG       GUCAAA 
                   GUCG GGGA AGA  UACCCUGU AAAU  GAGAAGU      U
                   CGGC CCCU UUU  AUGGGACA UUUG  CUCUUCG      U
CAAGUAGAACUACUGACAA    A    A   AU        C^   --       AACAGA 
 .       110       100        90        80          70