<p>Here's another FSA to consider:</p>
<div>
<img class="" src="{% static 'cats.png' %}" />
<p>This is a caption.</p>
<p><a href="source.com">Source</a></p>
</div>
<p>It's fairly clear what it will accept: strings like "ab", "abab", "abababababab", and, of course {math}\epsilon{math end}.
But there are some missing transitions: if you are in state 1 and get a "b" there's nowhere to go.
If an input cannot be accepted, it will be rejected, as in this case. We could have put in a trap state to make this clear:</p>
