Great snubretrosnub prismatosnub hexishexacosichoron

The great snubretrosnub prismatosnub hexishexacosichoron, or gosirspashox, is a nonconvex uniform polychoron that consists of 600 small stellated dodecahedra, 1200 icosahedra (falling into pairs in the same hyperplanes, forming 600 snub disoctahedra), 2400 octahemioctahedra and 2400 cuboctahedra (forming 2400 compounds of one of each), 600 cubohemioctahedra (forming 120 great antirhombicosahedra), 1200 great ditrigonal dodecicosidodecahedra (forming 600 compounds of two), 600 icosidodecadodecahedra, and 3600 pentagonal prisms.

One small stellated dodecahedron, two icosahedra (two compounds), four octahemioctahedra and four cuboctahedra (eight compounds), one cubohemioctahedron (one compound), ten great ditrigonal dodecicosidodecahedra (ten compounds), five icosidodecadodecahedra, and five pentagonal prisms join at each vertex.

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

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