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The graph T???C@?_R?B?D?I_CcL?WOwAQB?`hAWS?ECW

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:
  • 0 -> 15
  • 1 -> 20
  • 2 -> 10
  • 3 -> 1
  • 4 -> 8
  • 5 -> 6
  • 6 -> 13
  • 7 -> 14
  • 8 -> 2
  • 9 -> 16