User-agent: Googlebot
User-agent: Slurp
User-agent: msnbot 
User-agent: Mediapartners-Google*
User-agent: Googlebot-Image 
User-agent: Yahoo-MMCrawler
User-agent: Mediapartners-Google
User-agent: twitterbot
User-agent: GozaikBot
Disallow:  
 
User-agent: *
Disallow: /notfound