User-agent: *
Crawl-delay: 20

User-agent: twiceler
Disallow: /

User-agent: iarchiver
Disallow: /

User-agent: BecomeBot
Crawl-Delay: 60

User-agent: *
Disallow: /app/
Disallow: /images/
Disallow: /cgi_bin/
Disallow: *.gif
Disallow: *.jpg
Disallow: *.css