The Prenucleolus (Prescision=30 places): 

x1 = 57.4999999999999857891452847979963 
x2 = 37.5000000000000213162820728030056 
x3 = 25.0000000000000071054273576010019 

Excesses:

0.0000000000000000000000000000000 ( )
0.0000000000000000000000000000000 ( 1 2 3 )
-25.0000000000000000000000000000000 ( 1 2 )
-25.0000000000000071054273576010019 ( 3 )
-32.5000000000000000000000000000000 ( 1 3 )
-32.5000000000000284217094304040074 ( 2 3 )
-37.5000000000000213162820728030056 ( 2 )
-57.4999999999999857891452847979963 ( 1 )

Vector v:

0.0000000000000000000000000000000 ( )
0.0000000000000000000000000000000 ( 3 )
0.0000000000000000000000000000000 ( 2 )
30.0000000000000000000000000000000 ( 2 3 )
0.0000000000000000000000000000000 ( 1 )
50.0000000000000000000000000000000 ( 1 3 )
70.0000000000000000000000000000000 ( 1 2 )
120.0000000000000000000000000000000 ( 1 2 3 )