User-agent: Yandex
Disallow:/url3.htm
Disallow:/url.htm
Disallow:/url2.htm


User-agent: Aport
User-agent: Googlebot
Disallow:/url3.htm
Disallow:/url.htm
Disallow:/url2.htm
 

User-agent: StackRambler
Disallow:/url3.htm
Disallow:/url.htm
Disallow:/url2.htm 


User-Agent: * 
Disallow:/url3.htm
Disallow:/url2.htm
Disallow:/url.htm