2 extreme rays
2 support hyperplanes

embedding dimension = 3
rank = 3 (maximal)
external index = 1
internal index = 2
dimension of maximal subspace = 1

grading:
1 1 0 

degrees of extreme rays:
1: 2  

***********************************************************************

2 extreme rays:
 0 1 0
 1 0 0

1 basis elements of maximal subspace:
 0 0 1

2 support hyperplanes:
 0 1 0
 1 0 0

