User-agent: Twiceler
Disallow: /

User-agent: Magpie-crawler/1.1
Disallow: /

User-agent: Baiduspider
Disallow: /

User-agent: SheenBot
Disallow: /

User-agent: Butterfly/1.0
Disallow: /

User-agent: Sogou web spider/4.0
Disallow: /

User-agent: GingerCrawler/1.0
Disallow: /

User-agent: Exabot/3.0
Disallow: /

User-agent: ScoutJet
Disallow: /

User-agent: *
Disallow: /Search.aspx?t=yahoo
Disallow: /Search.aspx?t=twitter