The Prenucleolus (Prescision=14 places): 

x1 = 10.000000000000000 
x2 = 10.000000000000000 
x3 = 10.000000000000000 

Excesses:

3.000000000000000 ( )
0.000000000000000 ( 1 2 3 )
-10.000000000000000 ( 2 )
-10.000000000000000 ( 1 )
-10.000000000000000 ( 3 )
-11.000000000000000 ( 1 2 )
-13.000000000000000 ( 1 3 )
-13.000000000000000 ( 2 3 )

Vector v:

3.000000000000000 ( )
0.000000000000000 ( 3 )
0.000000000000000 ( 2 )
7.000000000000000 ( 2 3 )
0.000000000000000 ( 1 )
7.000000000000000 ( 1 3 )
9.000000000000000 ( 1 2 )
30.000000000000000 ( 1 2 3 )