1st corner for 3/4 or 4/4 shift
<ul><li><a href="//commons.wikimedia.org/wiki/File:BSicon_SHI4c1.svg" title="File:BSicon SHI4c1.svg">BSicon SHI4c1.svg</a>: <a href="//commons.wikimedia.org/wiki/User:YLSS" title="User:YLSS">YLSS</a></li></ul>
derivative work: <a href="//commons.wikimedia.org/wiki/User:Tuvalkin" title="User:Tuvalkin">Tuvalkin</a>
2013-12-16
Own work based on: <a href="//commons.wikimedia.org/wiki/File:BSicon_SHI4c1.svg" title="File:BSicon SHI4c1.svg">BSicon SHI4c1.svg</a>: <a href="//commons.wikimedia.org/wiki/File:BSicon_SHI4c1.svg" class="image"><img alt="BSicon SHI4c1.svg" src="https://upload.wikimedia.org/wikipedia/commons/thumb/e/e6/BSicon_SHI4c1.svg/48px-BSicon_SHI4c1.svg.png" decoding="async" width="48" height="48" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/e/e6/BSicon_SHI4c1.svg/72px-BSicon_SHI4c1.svg.png 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/e/e6/BSicon_SHI4c1.svg/96px-BSicon_SHI4c1.svg.png 2x" data-file-width="500" data-file-height="500"></a>