Track change, corner 2nd quadrant
<ul><li><a href="//commons.wikimedia.org/wiki/File:BSicon_STRc2.svg" title="File:BSicon STRc2.svg">BSicon STRc2.svg</a>: <a href="https://de.wikipedia.org/wiki/Benutzer:axpde" class="extiw" title="de:Benutzer:axpde">axpde</a></li></ul>
derivative work: <a href="//commons.wikimedia.org/wiki/User:Tuvalkin" title="User:Tuvalkin">Tuvalkin</a>
2013-01-22
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_STRc2.svg" title="File:BSicon STRc2.svg">BSicon STRc2.svg</a>: <a href="//commons.wikimedia.org/wiki/File:BSicon_STRc2.svg" class="image"><img alt="BSicon STRc2.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/BSicon_STRc2.svg/50px-BSicon_STRc2.svg.png" decoding="async" width="50" height="50" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/BSicon_STRc2.svg/75px-BSicon_STRc2.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/BSicon_STRc2.svg/100px-BSicon_STRc2.svg.png 2x" data-file-width="500" data-file-height="500"></a>