User-agent: *
Disallow: /config 
Disallow: /controllers 
Disallow: /elements 
Disallow: /helpers 
Disallow: /jobs 
Disallow: /languages 
Disallow: /libraries 
Disallow: /mail 
Disallow: /models 
Disallow: /page_types 
Disallow: /single_pages 
Disallow: /tools
Disallow: /index.php/tools
Disallow: /blocks/*.php$
Disallow: /blocks/*.xml$
Disallow: /concrete/*.php$
Disallow: /concrete/*.xml$
Disallow: /packages/*.php$
Disallow: /packages/*.xml$
Disallow: /updates/*.php$
Disallow: /updates/*.xml$
