Rhombic small hexacosihecatonicosachoron

The rhombic small hexacosihecatonicosachoron, or rassixhi, is a nonconvex uniform polychoron that consists of 120 truncated icosahedra, 600 cubohemioctahedra, and 720 pentagonal prisms. 2 of each type of cell join at each vertex.

Vertex coordinates
The vertices are the same as those of the regiment colonel, the small rhombated hexacosichoron.