cat 2012

            <?php
            /* Start the Loop */
            while ( have_posts() ) : the_post();

                /* Include the post format-specific template for the content. If you want to
                 * this in a child theme then include a file called called content-___.php
                 * (where ___ is the post format) and that will be used instead.
                 */
            ?>
        <div class="entry-content-<?php echo (( $wp_query->current_post == 0 ) ? 'main' : 'rest' ); if( $wp_query->current_post%2 == 1 ) echo ' left-post'; ?>">

                <?php get_template_part( 'content', get_post_format() ); ?>
        </div>

            <?php endwhile;

            twentytwelve_content_nav( 'nav-below' );
            ?>