>&amp;</span>  <span class="special">|</span> <span class="identifier">e</span>  <span class="identifier">i</span>  <span class="identifier">b</span>  <span class="identifier">p</span>  <span class="identifier">S1</span> <span class="identifier">S2</span> <span class="identifier">S3</span> <span class="identifier">M1</span> <span class="identifier">M3</span>
                                   <span class="special">---+--------</span>            <span class="special">---+---------------------------</span>
  