They could terminate each other

......

[^1][^2][^3]

[^1]: foo
[^2]: bar
[^3]: baz

......

<p data-sourcepos="1:1-1:12"><sup data-sourcepos="1:1-1:4" class="footnote-ref"><a href="#fn1" id="fnref1">[1]</a></sup><sup data-sourcepos="1:5-1:8" class="footnote-ref"><a href="#fn2" id="fnref2">[2]</a></sup><sup data-sourcepos="1:9-1:12" class="footnote-ref"><a href="#fn3" id="fnref3">[3]</a></sup></p>
<hr class="footnotes-sep">
<section class="footnotes">
<ol class="footnotes-list">
<li data-sourcepos="3:1-3:9" id="fn1" class="footnote-item">
<p data-sourcepos="3:7-3:9">foo <a href="#fnref1" class="footnote-backref">↩︎</a></p>
</li>
<li data-sourcepos="4:1-4:9" id="fn2" class="footnote-item">
<p data-sourcepos="4:7-4:9">bar <a href="#fnref2" class="footnote-backref">↩︎</a></p>
</li>
<li data-sourcepos="5:1-5:9" id="fn3" class="footnote-item">
<p data-sourcepos="5:7-5:9">baz <a href="#fnref3" class="footnote-backref">↩︎</a></p>
</li>
</ol>
</section>