: 1;
    }
  </style>

  <p>Test passes if the digits inside both orange-bordered rectangles are <strong>distributed identically</strong>.

  <div id="test">1<br>2<br>3<br>4<br>5<br>6<br>7<br>8<br>9</div>

  <div id="reference">1<br>2<br>3<br>4<br>5<br>6<br>7<br><br>8<br>9</div>

  <!--          Same as div#test except 1 extra br here   ^    -->
