T????A?W?oIAL?o_?w?R?IEA_aCaQ?dG`KBO
            IpD?GUbV?
    is a subgraph of this graph.  It is not embeddable.  Hence, this
    graph is not embeddable either.  One possible monomorphism
    of the unembeddable graph into this one, is given by: