User-agent: *
Disallow:

User-agent: twiceler
Disallow: /
User-agent: twiceler.
Disallow: /

User-agent: Slurp
Disallow: /cgi-bin/

User-agent: Slurp
Disallow: /private
Disallow: /Private
Disallow: /PRIVATE

User-agent: Slurp
Allow: /public*/
Disallow: /*_print*.html
Disallow: /*?sessionid

User-agent: Slurp
Disallow: /private*
Disallow: /private