User-agent: Yeti
Disallow: /
User-agent: YodaoBot
Disallow: /
User-agent: Yandex
Disallow: /
User-agent: ia_archiver
Disallow: /
User-Agent: Googlebot
Disallow: /acorn
Disallow: /dentzaway
User-agent: Slurp
Disallow: /acorn
Disallow: /dentzaway