<html>
  <head>
    <title> Experiment </title>
    <script src="jquery-1.7.2.min.js"></script>
    <script type="text/javascript" src="experiment.js"></script>
    <link rel="stylesheet" type="text/css" href="block.css">
  </head>
  <body>
    <div id="topLeft" class="block select"></div>
    <div id="topCenter" class="block select"></div>
    <div id="topRight" class="block select"></div>
    <div id="middleLeft" class="block select"></div>
    <div id="middleCenter" class="block start"></div>
    <div id="middleRight" class="block select"></div>
    <div id="bottomLeft" class="block select"></div>
    <div id="bottomCenter" class="block select"></div>
    <div id="bottomRight" class="block select"></div>
  </body>
</html>