how create an html table with all values from a serialized array in option_value

Question

Don’t know how you stored your data. Just answering from assumption:

<?php
$options = get_option('all_names');
?>

<table>
   <tbody>
      <?php
      $_counter = 0;
      foreach( $options as $option ) : ?>
         <tr>
            <td><?php echo $option['block1_names_arr'][$_counter]; ?></td>
            <td><?php echo $option['block2_names_arr'][$_counter]; ?></td>
         </tr>
      <?php
      $_counter++;
      endforeach; ?>
   </tbody>
</table>