User-agent: *
Disallow: /a/
Disallow: /r/
Disallow: /*?*oldLayout

User-Agent: AhrefsBot
Crawl-Delay: 60

User-agent: Applebot
Disallow: /

User-Agent: Baiduspider
Disallow: /

User-agent: bingbot
Crawl-delay: 10

User-agent: BLEXBot
Crawl-delay: 60

User-agent: Googlebot
Disallow: /*?*oldLayout

User-agent: MJ12bot
Disallow: /d/
Disallow: /e/
Disallow: /f/
Disallow: /m/
Disallow: /r/
Crawl-delay: 60 # will round down to 20

User-agent: SemrushBot
Disallow: /

User-agent: Slurp
Crawl-delay: 60

User-agent: XoviBot
Disallow: /