User-agent: googlebot-mobile
Crawl-delay: 10
Disallow:

User-agent: googlebot
Crawl-delay: 10
Disallow:

User-agent: google
Crawl-delay: 10
Disallow:

User-agent: bingbot
Crawl-delay: 10
Disallow:

User-agent: bing
Crawl-delay: 10
Disallow:

User-agent: *
Disallow: /