<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="currentColor" class="bi bi-sort-up-alt" viewBox="0 0 16 16">
  <path d="M3.5 13.5a.5.5 0 0 1-1 0V4.707L1.354 5.854a.5.5 0 1 1-.708-.708l2-1.999.007-.007a.498.498 0 0 1 .7.006l2 2a.5.5 0 1 1-.707.708L3.5 4.707V13.5zm4-9.5a.5.5 0 0 1 0-1h1a.5.5 0 0 1 0 1h-1zm0 3a.5.5 0 0 1 0-1h3a.5.5 0 0 1 0 1h-3zm0 3a.5.5 0 0 1 0-1h5a.5.5 0 0 1 0 1h-5zM7 12.5a.5.5 0 0 0 .5.5h7a.5.5 0 0 0 0-1h-7a.5.5 0 0 0-.5.5z"/>
</svg>