500' value='0'></td>
  <td><input type='text' name='l501' value='0'></td>
  <td><input type='text' name='l502' value='0'></td>
  <td><input type='text' name='l503' value='0'></td>
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 <tr>
  <td class="h">505</td>
  <td><input type='text' name='l504' value='0'></td>
  <td><input type='text' name='l505' value='0'></td>
  <td><input type='text' name='l506' value='0'></td>
  <td><input type='text' name='l507' value='0'></td>
  <td><input type='text' name='l508' value='0'></td>
  <td><input type='text' name