0 lattice points in polytope (Hilbert basis elements of degree 1)
2 extreme rays
2 support hyperplanes

embedding dimension = 3
rank = 2
external index = 1

grading:
-1 -2 0 

degrees of extreme rays:
4: 2  

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0 lattice points in polytope (Hilbert basis elements of degree 1):

2 extreme rays:
 -2 -1 0
  2 -3 0

2 support hyperplanes:
 -3 -2 0
  1 -2 0

1 equations:
 0 0 1

2 basis elements of lattice:
 1 0 0
 0 1 0

