The graph T???CA@WA_D?D?A_OoAG`HO_Wa@D_L_X@HHG
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: