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Allow:/ 
Crawl-delay: 10
User-agent: Exabot
Disallow:/ 
User-agent: Ezooms
Disallow:/ 
User-agent: MJ12bot
Disallow:/ 
User-agent: sistrix
Disallow:/ 
User-agent: RSS Spammer
Disallow:/ 
User-agent: bot for jce
Disallow:/ 
User-agent: ahrefsbot
Disallow:/