d></kbd>
      </td>
      <td>Set special wall: Illusory wall</td>
    </tr>
    <tr>
      <td>
        <kbd>Alt</kbd>+<kbd>7</kbd></kbd>
      </td>
      <td>Set special wall: Invisible wall</td>
    </tr>
    <tr>
      <td>
        <kbd>Alt</kbd>+<kbd>8</kbd></kbd>
      </td>
      <td>Set special wall: Lever</td>
    </tr>
    <tr>
      <td>
        <kbd>Alt</kbd>+<kbd>9</kbd></kbd>
      </td>
      <td>Set special wall: Niche</td>
    </tr>
    <tr>
      <td>
        <kbd>Alt</kbd>+<kbd>0</kbd><