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User-agent: Amazonbot
Disallow: /

User-agent: AhrefsBot
Disallow: /

User-agent: Barkrowler
Disallow: /

User-agent: PetalBot
Disallow: /

User-agent: Dotbot
Disallow: /

User-agent: SeznamBot
Disallow: /

User-agent: zgrab
Disallow: /