BSicon double-width 4 column tunnel shift
<a href="//commons.wikimedia.org/wiki/User:Tuvalkin" title="User:Tuvalkin">Tuvalkin</a>
2023-05-14
<a href="//commons.wikimedia.org/wiki/File:BSicon_STR3h%2B1h.svg" title="File:BSicon STR3h+1h.svg">file:BSicon STR3h+1h.svg</a>