The graph T???C@?K@OB?`OoGGo@GcB@GIgBAPCcI?PoC
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: