<!DOCTYPE html>
<html>
<body>
<div style="position: absolute; top: 10px; left: 10px; margin-left: 200px; width: 100px; height: 50px;"></div>
<div style="position: absolute; top: 60px; right: 10px; margin-right: 400px; width: 100px; height: 50px;"></div>
<div style="position: absolute; top: 90px; margin-left: 400px; width: 100px; height: 50px;"></div>
<div style="position: absolute; top: 140px; margin-right: 400px; width: 100px; height: 50px;"></div>
<div style="position: absolute; top: 190px; margin: 400px; width: 100px; height: 50px;"></div>
</body>
</html>