Grand retroinverted dishecatonicosacoincidic hecatonicosachoron

The grand retroinverted dishecatonicosacoincidic hecatonicosachoron is a nonconvex ECC uniform polychoron that consists of 120, 120 , and 120. 2 great icosahedra, 2 small stellated dodecahedra, and 10 quasirhombicosidodecahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the rectified great faceted hexacosichoron.