The graph T???C@_SCOC_A_EAAa@E?cg@HOT?w?KP_ga_
Unembeddable subgraph
The graph
K@QCAGdA_c~?
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: