Great disnub snub pentishecatonicosihexishexacosichoron

The great disnub snub pentishecatonicosihexishexacosichoron, or gidsosphihax, is a nonconvex uniform polychoron that consists of 600 great icosahedra and 600 small stellated dodecahedra (falling into pairs in the same hyperplanes, forming 600 compounds of one of each), 600 icosahedra, 4800 cuboctahedra (forming 2400 compounds of two), 600 great rhombidodecahedra, 600 rhombidodecadodecahedra, 600 great icosicosidodecahedra, and 3000 truncated tetrahedra (600 of which form 120 truncated chiricosahedra).

One great icosahedron and one small stellated dodecahedron (two compounds), one icosahedron, eight cuboctahedra (eight compounds), five great rhombidodecahedra, five rhombidodecadodecahedra, five great icosicosidodecahedra, and five truncated tetrahedra (one compound and four single) join at each vertex.

It can be obtained as the blend of 5 great dipentary hecatonicosihexacosidishecatonicosachora and 5 great dipentary hecatonicosihexacosidishecatonicosihexacosichora. In the process, some of the cuboctahedron cells blend out.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the great diretrosnub disnub decahecatonicosadishexacosichoron.