2 vertices of polyhedron
2 extreme rays of recession cone
4 support hyperplanes of polyhedron (homogenized)

embedding dimension = 5
affine dimension of the polyhedron = 4 (maximal)
rank of recession monoid = 4
internal index = 1
dimension of maximal subspace = 2

dehomogenization:
0 0 0 0 1 


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2 vertices of polyhedron:
 2 -1 0 0 1
 3  4 0 0 2

2 extreme rays of recession cone:
 0 1 0 0 0
 1 0 0 0 0

2 basis elements of maximal subspace:
 0 0 0 1 0
 0 0 1 0 0

4 support hyperplanes of polyhedron (homogenized):
 0 0 0 0   1
 0 1 0 0   1
 2 0 0 0  -3
 6 1 0 0 -11

