User-agent: Yandex
Disallow: /*_openstat
Disallow: /*from=adwords
Disallow: /gallery/
Disallow: /img_big/
Host: www.petrovicha.net

User-agent: Googlebot
Disallow: /*_openstat
Disallow: /*from=adwords
Disallow: /gallery/
Disallow: /img_big/

User-agent: *
Disallow: /gallery/
Disallow: /img_big/