User-agent: Yandex
Crawl-delay: 3
Allow: /rss/yandex
Disallow: /ajax
Disallow: /go

User-agent: MSNBot
Disallow: /

User-Agent: *
Disallow: /adm
Disallow: /ajax
Disallow: /go

Host: 0-50.ru

Crawl-delay: 60