Problems with the custom Wordpress loop

I'm developing a custom theme using bootstrap and I'm not getting any way to create a loop to display my posts as I wanted.

I wanted my posts to follow the order:

ButtheonlyresultIgot(outsidetheinfiniteloopsrsrs)wasthis

Here'showIsetuptheloop:

<divclass="container">
        <div class="row">

            <div class="col-md-12 text-center titulo-blog">
                <h3 class="page-h3"><?php the_title(); ?></h3>
            </div>
        </div>
    </div>


    <?php $i = 0; ?>

        <?php if (($i % 2 == 0) && have_posts()): ?>

                <div class="container">
                    <div class="row">

                        <div class="col-md-4 col-sm-12 imp-blog">
                            <?php query_posts(array(
                                'category_name' => 'imp',
                            )); ?>
                            <?php while (have_posts()): the_post();  ?>
                                <a href="<?php the_permalink(); ?>">
                                    <div class="hoverzoom img-responsive">
                                        <?php the_post_thumbnail(); ?>
                                        <div class="retina">

                                            <div class="ret-text">
                                                <p class="ret-title"><?php the_title(); ?></p>
                                                <p class="ret-sub"><?php the_subtitle(); ?></p>
                                            </div>

                                        </div>
                                    </div>
                                </a>
                            <?php endwhile; ?>
                        </div>
                        <div class="col-md-8 col-sm-12 img-blog">


                            <?php query_posts(array(
                                'category_name' => 'img',
                            )); ?>
                            <?php while (have_posts()): the_post();  ?>
                                <a href="<?php the_permalink(); ?>">
                                    <div class="hoverzoom img-responsive">
                                        <?php the_post_thumbnail(); ?>
                                        <div class="retina">
                                            <div class="ret-text">
                                                <p class="ret-title"><?php the_title(); ?></p>
                                                <p class="ret-sub"><?php the_subtitle(); ?></p>
                                            </div>
                                        </div>
                                    </div>
                                </a>
                            <?php endwhile; ?>
                        </div>
                    </div>
                </div>

                 <? else: ?>

                <div class="container">
                    <div class="row">


                        <div class="col-md-8 col-sm-12 img-blog ">


                            <?php query_posts(array(
                                'category_name' => 'img',
                            )); ?>
                            <?php while (have_posts()): the_post();  ?>
                                <a href="<?php the_permalink(); ?>">
                                    <div class="hoverzoom img-responsive">
                                        <?php the_post_thumbnail(); ?>
                                        <div class="retina">

                                            <div class="ret-text">
                                                <p class="ret-title"><?php the_title(); ?></p>
                                                <p class="ret-sub"><?php the_subtitle(); ?></p>
                                            </div>

                                        </div>
                                    </div>
                                </a>
                            <?php endwhile; ?>
                        </div>
                        <div class="col-md-4 col-sm-12 imp-blog">


                            <?php query_posts(array(
                                'category_name' => 'imp',
                            )); ?>
                            <?php while (have_posts()): the_post();  ?>
                                <a href="<?php the_permalink(); ?>">
                                    <div class="hoverzoom img-responsive">
                                        <?php the_post_thumbnail(); ?>
                                        <div class="retina">
                                            <div class="ret-text">
                                                <p class="ret-title"><?php the_title(); ?></p>
                                                <p class="ret-sub"><?php the_subtitle(); ?></p>
                                            </div>
                                        </div>
                                    </div>
                                </a>
                            <?php endwhile; ?>
                        </div>
                    </div>
                </div>

                <?php $i++; ?>

                <?php endif; ?>