User-agent: *
Disallow: /paginas/admin/
Disallow: /paginas/captura.php
Allow: /

User-agent: Googlebot
Allow: /
Disallow: /paginas/admin/
Disallow: /paginas/captura.php

User-agent: Googlebot-Image
Allow: /directorio
Disallow: /paginas/admin/
Disallow: /paginas/captura.php
Allow: /