2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/64637A remarkable coincidence has led to the discovery of a family of packings of (m^2+m-2) m/2-dimensional subspaces of m-dimensional space, whenever m is a power of 2. These packings meet the ``orthoplex bound'' and are therefore optimal.8 pages, 1 figureCombinatorics51E15 (51E23)text