Mine
public text v1 · immutable<?php $posts_i = 1; while ( have_posts() ) : the_post(); ?>
<div class="post<?php if ( $i++ == 1 ) { ?> first-post<?php } ?>">
// blah blah blah<?php $posts_i = 1; while ( have_posts() ) : the_post(); ?>
<div class="post<?php if ( $i++ == 1 ) { ?> first-post<?php } ?>">
// blah blah blah