The kite graph. Layout from Brandstädt and Spinrad "Graph Classes: A Survey". Philadelphia, PA: SIAM, 1987.<br>
Could be drawn as a Matchstick graph - but not with this angles!
<a href="//commons.wikimedia.org/wiki/User:Koko90" title="User:Koko90">Koko90</a>
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<span class="int-own-work" lang="en">Own work</span>