The graph T??CA?_C?OO_w?DO@E?coQQ?wBAGd?FB?ckO
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: