sub>5</sub></td>
 </tr>
 <tr>
     <th>x<sub>3</sub></th>
     <td>a<sub>3</sub> = x<sub>6</sub> + x<sub>7</sub></td>
     <td>b<sub>0</sub> = a<sub>6</sub> + a<sub>7</sub></td>
     <td>y<sub>0</sub> = b<sub>6</sub> + b<sub>7</sub></td>
 </tr>
 <tr>
     <th>x<sub>4</sub></th>
     <td>a<sub>0</sub> = x<sub>0</sub> - x<sub>1</sub></td>
     <td>b<sub>0</sub> = a<sub>0</sub> - a<sub>1</sub></td>
     <td>y<sub>0</sub> = b<sub>0</sub> - b<sub>1</sub></td>
 </tr>
 <tr>
     <th>x<sub>5</sub></th>
     <td>a<s