10          20        30        40        50        60
ACUCAGGGCUCACCAUCC--|   UCCCA  C          UU    C     GUGAUGU 
                    AGGG     UC AGGUCGGAUA  CUGU UUUCA       U
                    UCCC     AG UCCAGUCUAU  GACA AAGGU       C
GACUUAUGUCAGCGAUCGGU^   UGUGA  A          CG    C     CCCAAAU 
120       110       100        90        80        70