User-agent: *
Disallow: /source
Disallow: /*/source
Disallow: /*/*/source
Disallow: /*/*/*/source
Disallow: /*/*/*/*/source
Disallow: /*/*/*/*/*/source
Disallow: /*/*/*/*/*/*/source
Disallow: /*/*/*/*/*/*/*/source
Disallow: /*/*/*/*/*/*/*/*/source
Disallow: /*/*/*/*/*/*/*/*/*/source