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Figure 4
(a) An acyclic chain graph; (b) the corresponding unit-distance graph now equalized (i.e. with edges of equal length); (c) an acyclic chain graph; (d) the corresponding unit-distance graph after embedding, untangling and with edges of equal length. Vertices are labelled as described in Section 4.2.1 |

journal menu![[Figure 4]](uv5024fig4.jpg)
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