User-Agent: Yandex
Disallow: /tags/
Disallow: /2010/
Disallow: /user/
Disallow: /engine/
Host: xxx-lab.info
Sitemap: http://xxx-lab.info/sitemap.xml

User-Agent: *
Disallow: /tags/
Disallow: /2010/
Disallow: /user/
Disallow: /engine/