User-agent: Yandex
Disallow: /pages/sphere/
Disallow: /*_openstat
Disallow: /*from=adwords
Disallow: /*utm_source
Host: www.algor.ru

User-agent: Googlebot
Disallow: /pages/sphere/
Disallow: /*_openstat
Disallow: /*from=adwords
Disallow: /*utm_source

User-agent: *
Disallow: /pages/sphere/