# B. Grünbaum and V. P. Sreedharan.
# An enumeration of simplicial 4-polytopes with 8 vertices
# J. Comb. Theory 2, 437-465 (1967).

Gruenbaum_Sreedharan_non_polytopal_3_sphere=[[1,2,3,4],[1,2,3,5],
  [1,2,4,5],[1,3,4,6],[1,3,5,6],[1,4,5,7],[1,4,6,7],[1,5,6,8],
  [1,5,7,8],[1,6,7,8],[2,3,4,8],[2,3,5,6],[2,3,6,7],[2,3,7,8],
  [2,4,5,8],[2,5,6,8],[2,6,7,8],[3,4,6,7],[3,4,7,8],[4,5,7,8]]