<td>23</td><td>17</td><td>ETB</td><td>&amp;#023;</td><td></td><td>End of Transmit Block</td></tr>
    <tr class='highlight'><td>24</td><td>18</td><td>CAN</td><td>&amp;#024;</td><td></td><td>Cancel</td></tr>
    <tr><td>25</td><td>19</td><td> EM</td><td>&amp;#025;</td><td></td><td>End of Medium</td></tr>
    <tr><td>26</td><td>1A</td><td>SUB</td><td>&amp;#026;</td><td></td><td>Substitute</td></tr>
    <tr><td>27</td><td>1B</td><td>ESC</td><td>&amp;#027;</td><td></td><td>Escape</td></tr>
    <tr><td>28</td><t