The graph T???C@?gA_D?B?`OWE@c_DAOEa?qCaSW?`cC
Unembeddable subgraph
The graph
J@`ICC[Gv_?
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: