youxian[0][2]='<';

youxian[0][3]='<';

youxian[0][4]='<';

youxian[0][5]='>';

youxian[0][6]='>';

//______________________________________________________________

youxian[1][0]='>';

youxian[1][1]='>';

youxian[1][2]='<';

youxian[1][3]='<';

youxian[1][4]='<';

youxian[1][5]='>';

youxian[1][6]='>';

//_______________________________________________________________

youxian[2][0]='>';

youxian[2][1]='>';

youxian[2][2]='<';

youxian[2][3]='<';

youxian[2][4]='<';

youxian[2][5]='>';

youxian[2][6]='>';

//_______________________________________________________________

youxian[3][0]='>';

youxian[3][1]='>';

youxian[3][2]='>';

youxian[3][3]='$';//无优先关系的用$表示

youxian[3][4]='$';

youxian[3][5]='>';

youxian[3][6]='>';

//_________________________________________________________________ youxian[4][0]='<';

youxian[4][1]='<';

youxian[4][2]='<';

youxian[4][3]='<';

youxian[4][4]='<';

youxian[4][5]='=';

youxian[4][6]='$';

//_________________________________________________________________ youxian[5][0]='>';

youxian[5][1]='>';

youxian[5][2]='>';

youxian[5][3]='$';

youxian[5][4]='$';