User-agent: *
Disallow: /_private
Disallow: /cgi-bin
Disallow: /data
Disallow: /i
Disallow: /x
Disallow: /youtube
Disallow: /400.shtml
Disallow: /404.shtml
Disallow: /500.shtml

Disallow: /beta

User-agent: Mediapartners-Google*