Евклидова реализация произведения циклов без скрытых симметрий

It is shown that any graph G that is the Cartesian product of two cycles can be realized in four-dimensional Euclidean space in such a way that every edge-preserving permutation of the vertices of G extends to a symmetry of the Euclidean realization of G. As a corollary, there exists an infinite series of regular toroidal two-dimensional polyhedra inscribed in the Clifford torus just like the five regular spherical polyhedra are inscribed in a sphere.