User-agent: *
Allow: /usr/templates/files/
Disallow: /bitrix/admin/
Disallow: /bitrix/
Disallow: /lang/
Disallow: /usr/
Disallow: /kernel/
Disallow: /etc/
Disallow: *?textsize=small
Disallow: *?textsize=medium
Disallow: *?textsize=large 
Disallow: *?option=