Narrow line to corner 2 from corner 3
<a href="//commons.wikimedia.org/wiki/User:AlgaeGraphix" title="User:AlgaeGraphix">AlgaeGraphix</a>
2022-12-15
<a href="//commons.wikimedia.org/wiki/File:BSicon_nSTR3%2B4.svg" title="File:BSicon nSTR3+4.svg">BSicon nSTR3+4.svg</a>