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<?php
$d='du/'; $da=scandir($d); $ar=array();
foreach($da as $str) {
if(is_file($d.$str) && substr($str,-1)=='t' && preg_match_all('/om\/([^\/]{6,})\//',join(' ',file($d.$str)),$res)){ $ar[]=substr($str,1,4); unset($res[1][0],$res[1][2]); $ar=array_merge($ar,$res[1]); } }
echo count($ar).' ';
$ar=array_unique($ar);
echo count($ar)."\n";
echo join("\n",$ar);