A graph of <a href="https://en.wikipedia.org/wiki/cutwidth" class="extiw" title="en:cutwidth">cutwidth</a> 2. The vertices are arranged in a linear order, such that each vertical line is crossed by at most 2 edges.
<a href="//commons.wikimedia.org/wiki/User:David_Eppstein" class="mw-redirect" title="User:David Eppstein">David Eppstein</a>
<span class="int-own-work" lang="en">Own work</span>