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User-agent: AhrefsBot
Disallow: /

User-agent: PetalBot
Disallow: /

User-agent: SemrushBot
Disallow: /

User-agent: DotBot
Disallow: /

User-agent: *
Crawl-Delay: 5
Disallow: /cgi-bin/
Disallow: /payment
Disallow: /basket
Disallow: /payment-complete