memo={error,resulted,from,listing,v[],for,null,coal}

The Prenucleolus (Prescision=15 places): 

x1 = 0.5000000000000000 
x2 = 0.0000000000000000 
x3 = -0.5000000000000000 

Excesses:

3.0000000000000000 ( )
0.5000000000000000 ( 3 )
0.5000000000000000 ( 2 3 )
0.5000000000000000 ( 1 )
0.5000000000000000 ( 1 2 )
0.0000000000000000 ( 1 3 )
0.0000000000000000 ( 1 2 3 )
-0.0000000000000000 ( 2 )

Vector v:

3.0000000000000000 ( )
0.0000000000000000 ( 3 )
0.0000000000000000 ( 2 )
0.0000000000000000 ( 2 3 )
1.0000000000000000 ( 1 )
0.0000000000000000 ( 1 3 )
1.0000000000000000 ( 1 2 )
0.0000000000000000 ( 1 2 3 )