Grand quasirhombic hecatonicosihecatonicosachoron

The grand quasirhombic hecatonicosihecatonicosachoron, or gaqrahihy, is a nonconvex uniform polychoron that consists of 120 great rhombidodecahedra and 120 quasitruncated dodecadodecahedra. Two great rhombidodecahedra and four quasitruncated dodecadodecahedra join at each vertex.

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