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User-agent: BizBot04 kirk.overleaf.com
User-agent: HappyBot (gserver.kw.net)
User-agent: CaliforniaBrownSpider
User-agent: www.freeloader.com
User-agent: WhoWhere Robot
User-agent: WWW Collector
User-agent: Bizbot003
User-agent: EnigmaBot
User-agent: spyder3.microsys.com
User-agent: wobot/1.0 from 206.214.202.45
User-agent: SandBot
User-agent: WebWalker
Disallow: /admin/ 
Disallow: /*ref*