Parallel continuation from corner 3
The original uploader was <a href="https://en.wikipedia.org/wiki/User:Darianthomson" class="extiw" title="wikipedia:User:Darianthomson">Darianthomson</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>.
18 May 2014 (original upload date)
Adobe Illistrator