User-agent: SapphireWebCrawler
Disallow: /

User-agent: plukkie
Disallow: /

User-agent: twiceler
Disallow: /

User-agent: LexxeBot
Disallow: /

User-agent: turnitinbot
Disallow: /

User-agent: Mp3Bot
Disallow: /

User-agent: *
Disallow: /hidden/
Crawl-delay: 1