<p><span style="font-size:18px;"><a href="https://forms.gle/f17Co7Bcebub4kCP9">The Three Skipping Periods Exercise</a></span></p>
<p><a href="https://vimeo.com/931580982/5b2464181d?share=copy" target="_blank"><span style="font-size:18px;">(If you dare!) Solutions to the four problems</span></a></p>