<?php while ( have_posts() ) : the_post(); ?>
<?php if ( is_single() ) : ?>
            <div class="post-heading-info">
               <!--Post heading info like title, category goes here -->
            </div>
<?php  endif; ?>
<?php endwhile; ?>
<?php //sidebar widget goes here  ?>

<?php while ( have_posts() ) : the_post(); ?>
<?php if ( is_single() ) : ?>
            <div class="post-content">
               <!--Post content and footer goes here-->
            </div>
<?php  endif; ?>
<?php endwhile; ?>

<?php while ( have_posts() ) : the_post(); ?>
    <?php get_template_part('content', 'single-heading');?>
<?php endwhile; ?>
<?php //sidebar widget goes here  ?>
<?php while ( have_posts() ) : the_post(); ?>
    <?php get_template_part('content', 'single');?>
<?php endwhile; ?>

<div class="post-content">
   <!--Post content and footer goes here-->
</div>

<div class="post-heading-info">
   <!--Post heading info like title, category goes here -->
</div>