The Prenucleolus (Prescision=14 places): 

x1 = 0.000000000000013 
x2 = 0.000000000000013 
x3 = 0.999999999999979 

Excesses:

3.000000000000000 ( )
0.000000000000007 ( 2 3 )
0.000000000000007 ( 1 3 )
-0.000000000000006 ( 1 2 3 )
-0.000000000000013 ( 1 )
-0.000000000000013 ( 2 )
-0.000000000000027 ( 1 2 )
-0.999999999999979 ( 3 )

Vector v:

3.000000000000000 ( )
0.000000000000000 ( 3 )
0.000000000000000 ( 2 )
1.000000000000000 ( 2 3 )
0.000000000000000 ( 1 )
1.000000000000000 ( 1 3 )
0.000000000000000 ( 1 2 )
1.000000000000000 ( 1 2 3 )