<table width="100">
<table width="50%">
<table width="100%">
<td width="150">
<td width="225">
<td width="350">
<table width="725">
<td width="20%">
<td width="30%">
<td width="50%">
<table width="100%">
<td height="50">
<td height="75">
<td height="100">