<?php
        while(have_rows('columns')):
            the_row();
            echo "<div class='column'>";
            while(have_rows('flexible')):
                the_row();
                switch(get_row_layout()):
                    case 'text':        the_sub_field('text');
                                        break;
                    case 'accordion':   while(have_rows('sections')):
                                            the_row();
                                            the_sub_field('title');
                                            the_sub_field('text');
                                        endwhile; // have_rows()
                                        break;
                    case 'box':         the_sub_field('title');
                                        while(have_rows('flexible')):
                                            the_row();
                                            switch(get_row_layout()):
                                                case 'form' :   gravity_form(get_sub_field('form'),false,false);
                                                                break;
                                            endswitch;
                                        endwhile; // have_rows('flexible')
                                        break;
                endswitch;
            endwhile; // have_rows('flexible')
            echo "</div><!-- /.column -->";
        endwhile; // have_rows('columns')
    ?>