Small gyrowedged biomnisnub tetracontoctachoron

The small gyrowedged biomnisnub tetracontoctachoron or sigawbosc is a convex isogonal polychoron that consists of 48 snub cubes, 144 square antiprisms, 192 triangular antiprisms, 576 digonal-rectangular gyrowedges, 576 phyllic disphenoids and 1152 irregular tetrahedra. However, it cannot be made scaliform.