Diagram
Sorry, trying image again:
<blockquote class="imgur-embed-pub" lang="en" data-id="a/Lhi5Upo"><a href="//imgur.com/Lhi5Upo"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>
Sorry, trying image again:
<blockquote class="imgur-embed-pub" lang="en" data-id="a/Lhi5Upo"><a href="//imgur.com/Lhi5Upo"></a></blockquote><script async src="//s.imgur.com/min/embed.js" charset="utf-8"></script>