User-agent: Googlebot
Allow: /*?

User-agent: Googlebot
Disallow: /b

User-agent: Googlebot
Disallow: /images

User-agent: Googlebot
Disallow: /hilfe

User-agent: *
Disallow: 

#Disallowed directories
User-agent: *
Disallow: /b

#Disallowed directories
User-agent: *
Disallow: /images

#Disallowed directories
User-agent: *
Disallow: /hilfe