The graph T???C@?_R?B?@_d?DGDCA@K`K@_eD?TG_o[G
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: