10          20        30        40        50        60        70 
AGAAAAACUUUAAAAAU--|      U     A      U       GU     UAGCAUACCAUAUAUCGU 
                   AAUUCAU UUAGA CUGAAU CUCGUGG  CUGCA                  G
                   UUAAGUA GGUCU GACUUA GAGUACC  GAUGU                  U
ACCACCACCACACGUAACU^      C     C      -       AC     UUAAAAGUUAAUGACAUG 
 140       130       120       110        100        90        80