  The swelling equilibrium of Olympic gels, which are composed of entangled
cyclic polymers, is studied by Monte Carlo Simulations. In contrast to
chemically crosslinked polymer networks, we observe that Olympic gels made of
chains with a \emph{larger} degree of polymerization, $N$, exhibit a
\emph{smaller} equilibrium swelling degree, $Q\propto
N^{-0.28}\phi_{0}^{-0.72}$, at the same polymer volume fraction $\phi_{0}$ at
network preparation. This observation is explained by a desinterspersion
process of overlapping non-concatenated rings upon swelling.
