anchor.diff:        <td id="46" class='transitionMetals'></td>
         <td id="47" class='transitionMetals'></td>
         <td id="48" class='transitionMetals'></td>
  -      <td id="49"></td>
  -      <td id="50"></td>
  +      <td id="49" class='postTranMetals'></td>
  +      <td id="50" class='postTranMetals'></td>
         <td id="51" class='metalloids'></td>
         <td id="52" class='metalloids'></td>
         <td id="53" class='halogens'></td>
  
positive.code: <table class='f-block'>
    <tbody>
      <tr>
        <td id="57"></td>
        <td id="58"></td>
        <td id="59"></td>
        <td id="60"></td>
        <td id="61"></td>
        <td id="62"></td>
        <td id="63"></td>
        <td id="64"></td>
        <td id="65"></td>
        <td id="66"></td>
        <td id="67"></td>
        <td id="68"></td>
        <td id="69"></td>
        <td id="70"></td>
        <td id="71"></td>
      </tr>
      <tr>
        <td id="89"></td>
        <td id="90"></td>
        <td id="91"></td>
        <td id="92"></td>
        <td id="93"></td>
        <td id="94"></td>
        <td id="95"></td>
        <td id="96"></td>
        <td id="97"></td>
        <td id="98"></td>
        <td id="99"></td>
        <td id="100"></td>
        <td id="101"></td>
        <td id="102"></td>
        <td id="103"></td>
      </tr>
    </tbody>
  </table>
  
negative.code:       <td id="110" class='transitionMetals'></td>
        <td id="111" class='transitionMetals'></td>
        <td id="112" class='transitionMetals'></td>
        <td id="113" class='postTranMetals'></td>
        <td id="114" class='postTranMetals'></td>
        <td id="115" class='postTranMetals'></td>
        <td id="116" class='postTranMetals'></td>
        <td id="117" class='halogens'></td>
        <td id="118" class='nobleGases'></td>
      </tr>
  