DESCRIPTION Grünbaum's 5. nonsimplicial, nonpyramidal 4-polytope with 7 vertices.

VERTICES
1 -1/2 -1/2 0 1/2
1 1 -1 -1 0
1 0 0 0 0
1 -1/2 0 0 0
1 0 -1/2 0 0
1 0 0 -1/2 0
1 0 0 0 -1/2

FACETS
0 -1 -1 0 -2 
0 -1 -1 0 0 
0 -1 0 -1 -1 
0 -1 0 -1 0 
0 0 -1 0 -1 
0 0 -1 0 0 
0 0 0 -1 0 
1 2 1 2 1 
1 2 1 2 2 
1 2 2 1 2 

AFFINE_HULL

DIM
4

AMBIENT_DIM
4

N_VERTICES
7

N_FACETS
10

VERTICES_IN_FACETS
{0 1 2 5}
{1 2 5 6}
{0 1 2 4}
{1 2 4 6}
{0 2 3 5}
{2 3 5 6}
{0 2 3 4 6}
{0 1 3 5}
{1 3 5 6}
{0 1 3 4 6}


_version 1.4.1