10          20        30        40        50         
CCAGGAUGACAUUGAAAA--|      C   U      GCUU       U     UUGUA 
                    UGUGUUG AAU UGGCGU    CGCUCCA AGAUU     U
                    ACACAGU UUA ACUGCA    GUGAGGU UCUAA     U
UUUUAUAGGACUGCUUAUAA^      U   C      AGUU       U     AGAGC 
.       110       100        90        80        70        60