User-agent: *
Disallow: /adverts/
Disallow: /images/
Disallow: /logs/
Disallow: /wx/
Disallow: /lx/
Disallow: /sx/
Disallow: /cx/

User-agent: Googlebot
Disallow: /adverts/
Disallow: /logs/
Disallow: /wx/
Disallow: /lx/
Disallow: /sx/
Disallow: /cx/

User-agent: Twiceler # experimental robot
Disallow: /

User-agent: TurnitinBot # student plagiarism robot
Disallow: /

User-agent: psbot # picsearch robot for picture searches
Disallow: /