Great spinohecatonicosidishexacosichoron

The great spinohecatonicosidishexacosichoron, or ganhiddix, is a nonconvex uniform polychoron that consists of 120 great dodecicosahedra, 600 tetrahedra, and 600 truncated tetrahedra. Three great dodecicosahedra, one tetrahedron, and three truncated tetrahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the great ditrigonal hecatonicosihexacosihecatonicosachoron.