Small dipentary dishecatonicosihexacosihecatonicosachoron

The small dipentary dishecatonicosihexacosihecatonicosachoron, or sidpid hixhi, is a nonconvex uniform polychoron that consists of 120 great icosahedra, 120 icosahedra, 600 octahemioctahedra, and 120 small dodecicosahedra. One great icosahedron, one icosahedron, five octahemioctahedra, and five small dodecicosahedra join at each vertex.

Vertex coordinates
Its vertices are the same as those of its regiment colonel, the prismatodishecatonicosachoron.