Great retrosphenoverted ditrigonal trishecatonicosachoron

The great retrosphenoverted ditrigonal trishecatonicosachoron, or grawv ditathi, is a nonconvex uniform polychoron that consists of 120 truncated great dodecahedra, 120 great icosidodecahedra, and 120 small ditrigonal dodecicosidodecahedra. 1 great icosidodecahedron, 2 truncated great dodecahedra, and 2 small ditrigonal dodecicosidodecahedra join at each vertex.

It is in the same regiment as the small sphenoverted trishecatonicosachoron.