The graph T???C@?G?oQ_o_QGCo@B_Ae?L@b_P?dG`CSG
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: