def METHOD_NAME(order):
    if (order < 3):
        return nm.zeros((0, 0), dtype=nm.int32)
    oo = order - 2
    mtx = nm.zeros((oo, oo), dtype=nm.int32)
    for ii, (ir, ic) in enumerate(iter01(oo)):
        mtx[ir, ic] = ii
    return mtx