User-agent: Twitterbot
Disallow:

User-agent: Googlebot
Disallow: /culture_admin
Disallow: /layout/set/print/

User-agent: Bingbot
Disallow: /culture_admin
Disallow: /layout/set/print/
Crawl-delay: 30

User-agent: *
Disallow: /
Allow: /bdc