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<?php $serial='h1w^r2v2rr1og^4r52mclx_b0ee^1r?x'; $input='h1w^r2v2rr1og^4r52mclx_b0ee^1r?'; if (strlen($input) != strlen($serial)) { for ($i = 0; $i < strlen($serial); $i++){ if ($i-1 == strlen($input)){ print $i; } } } ?>
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