   <span class="identifier">S</span> <span class="special">|</span> <span class="number">1</span> <span class="number">1</span>     <span class="number">1</span>  
                                          <span class="identifier">m</span> <span class="special">|</span> <span class="number">1</span> <span class="number">1</span> <span class="number">1</span> <span class="number">1</span>       <span class="identifier">M</span> <span class="special">|</span> <span class="number">1</span> <span class="number"