robots.txt

USER-agent: *
Disallow: /r/11.x

USER-agent: *
Disallow: /r/10.x

USER-agent: *
Disallow: /r/9.x

USER-agent: *
Disallow: /r/8.x

USER-agent: *
Disallow: /r/7.x

USER-agent: *
Disallow: /r/6.x

USER-agent: *
Disallow: /r/5.x

USER-agent: *
Disallow: /r/4.x

USER-agent: *
Disallow: /r/3.x

USER-agent: *
Disallow: /r/2.3.x

USER-agent: *
Disallow: /r/2.2.x

USER-agent: *
Disallow: /r/2.1.x

USER-agent: *
Disallow: /r/2.0.x