PHP

<?php
    $x = crc32("KLEJl");
    $y = intval(dechex(ord(" ")) . ord("$"). ord("\t"));

    $r = false;
    for (;;) {
        $s$a = str_split(strval($x));
        $x ^= $y;
        $a = str_split($s);
        foreach($a as $i => $c) {
            echo $c;
            if ($r || !$i) {
                echo "\n";
            }
            $r = !$r;
        }
    }