Great hecatonicosihecatonicosihecatonicosachoron

The great hecatonicosihecatonicosihecatonicosachoron, or ghiyay, is a nonconvex uniform polychoron that consists of 120 great dodecicosahedra, 120 quasitruncated dodecadodecahedra, and 120 great rhombicosidodecahedra. One great dodecicosahedron, two quasitruncated dodecadodecahedra, and two great rhombicosidodecahedra join at each vertex.

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