Great rhombic hecatonicosihecatonicosachoron

The great rhombic hecatonicosihecatonicosachoron, or girhihy, is a nonconvex uniform polychoron that consists of 120 quasitruncated small stellated dodecahedra, 120 great rhombidodecahedra, and 720 pentagonal prisms. 2 of each type of cell join at each vertex.

Vertex coordinates
The vertices are the same as those of the regiment colonel, the sphenoverted trishecatonicosachoron.