Great retroinverted dishecatonicosacoincidic hecatonicosachoron

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

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