Figure 7. M is a continuous Moebius band. W(M) is an LCL cover of M containing twelve elements. K is a continuous Klein bottle. W(K) is an LCL cover of K

From

Graph Theoretical Models of Closed n-Dimensional Manifolds: Digital Models of a Moebius Strip, a Projective Plane a Klein Bottle and n-Dimensional Spheres

Alexander V. Evako

Applied Mathematics and Physics. 2017, 5(1), 19-27 doi:10.12691/amp-5-1-3