The graph T???C@?_R?B?D?I_CcL?WOwAQB?`hAWS?ECW
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: