Small inverted retropental hecatonicosintercepted dishecatonicosachoron

The small inverted retropental hecatonicosintercepted dishecatonicosachoron, or sirphinady, is a nonconvex uniform polychoron that consists of 120 great dodecahedra, 120 truncated dodecahedra, and 120 rhombicosidodecahedra.

It is in the regiment of the rectified hexacosichoron.