laywerrobot/lib/python3.6/site-packages/scipy/spatial/tests/data/selfdual-4d-polytope.txt

# The facets of a self-dual 4-dim regular polytope
# with 24 octahedron facets. Taken from cddlib.
# Format b + Ax >= 0
 1  1  1  1  1
 1  1  1  1 -1
 1  1  1 -1  1
 1  1  1 -1 -1
 1  1 -1  1  1
 1  1 -1  1 -1
 1  1 -1 -1  1
 1  1 -1 -1 -1
 1 -1  1  1  1
 1 -1  1  1 -1
 1 -1  1 -1  1
 1 -1  1 -1 -1
 1 -1 -1  1  1
 1 -1 -1  1 -1
 1 -1 -1 -1  1
 1 -1 -1 -1 -1
 1  2  0  0  0
 1  0  2  0  0
 1  0  0  2  0
 1  0  0  0  2
 1 -2  0  0  0
 1  0 -2  0  0
 1  0  0 -2  0
 1  0  0  0 -2