estimating BLUE in MIxed Model

[anavabi]

Can any one send me a SAS example code for estimating BLUE in PROC MIXED? 

Thanks

[anavabi]

This the code I use and I am interested in BLUE values for entry*treatment interation. the SOLUTION statement computes the BLUE values, but the problem is since treatment has only 2 levels, the estimated BLUE vlaue for one of the levels of treatment is 0 and then the BLUE estimates for entry*treatment interaction is only computed for entry by non zero treatment level. Thanks in advance.

Proc mixed data= b covtest ; by _Name_ ;

class       Rep   entry treatment;

model col1 =  entry   treatment entry*treatment / outp=RESR residual solution DDFM= KENWARDROGER ;

random     rep  ;

lsmeans entry entry*treatment;

ods output Solutionf=BLUE;

ODS output lsmeans=ls;

Title 'Mixed model analysis';

run;

[sld]

The LSMEANs are BLUEs.