User-agent: gsa-crawler
Allow: /

User-agent: Mediapartners-Google
Disallow: /
Allow: /html/

User-agent: Googlebot
Disallow: /
Allow: /html/

User-agent: Adsbot-Google
Disallow: /
Allow: /html/

User-agent: Googlebot-Image
Disallow: /
Allow: /html/

User-agent: Googlebot-Mobile
Disallow: /
Allow: /html/