Continuation to corner 2 from corner 4, dotted
<a href="//commons.wikimedia.org/wiki/User:Tuvalkin" title="User:Tuvalkin">Tuvalkin</a> and <a href="//commons.wikimedia.org/wiki/User:Mahir256" title="User:Mahir256">Mahir256</a>
2013-12-07
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_exLLCONT4.svg" title="File:BSicon exLLCONT4.svg">BSicon exLLCONT4.svg</a>