The graph T???C@?GCAB?D?Q_KC?H_b?SQcQ_e@Qg?eI_
Unembeddable subgraph
The graph
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: