c A Small MCNF example
c 
c non-dominated points:
c (0, 4)
c (2, 2)
c (4, 0)
c 
h 1 2 0
h 2 3 0
h 3 4 0
o1 2 -2 0
o1 2 -4 0
o2 2 -1 0
o2 2 -3 0