User-agent: *
Disallow: /giveaway/
Disallow: /r/
Crawl-Delay: 5

User-Agent: MJ12bot
Crawl-Delay: 20

User-agent: HTTrack 3.0 
Disallow: /

User-agent: BecomeBot 
Disallow: / 

User-Agent: YodaoBot
Disallow: /