User-agent:*
Disallow: /sample-*
Disallow: /blog/sample-*
Disallow: /en/dev-blog/*

Disallow: /_hcms/preview/
Disallow: /hs/manage-preferences/
Disallow: /hs/preferences-center/

User-agent: *
Disallow: /_hcms/preview/
Disallow: /hs/manage-preferences/
Disallow: /hs/preferences-center/