User-agent: Spiderbot/Nutch-1.7
Disallow:/

User-agent: BLEXBot
Disallow: /

User-agent: cortex/1.0
Disallow: /

User-agent: AhrefsBot
Crawl-Delay: 10

User-agent: grapeshot
Disallow: /

User-agent: *
Disallow: /suggest/?*