/td>
  <td>Permute</td>
  </tr>
  <tr class="odd">
  <td><kbd>r</kbd></td>
  <td>Randomize</td>
  </tr>
  <tr class="even">
  <td><kbd>R</kbd></td>
  <td>Sparse Randomize</td>
  </tr>
  <tr class="odd">
  <td><kbd>s</kbd></td>
  <td>Sort Descending Order</td>
  </tr>
  <tr class="even">
  <td><kbd>S</kbd></td>
  <td>Sort Ascending Order</td>
  </tr>
  <tr class="odd">
  <td><kbd>t</kbd></td>
  <td>Subtle Randomize (Random walk)</td>
  </tr>
  <tr class="even">
  <td><kbd>T</kbd></td>
  <td>Subtle Randomize 