User-agent: Yandex
Disallow: /*.php$
Disallow: /*.html$
Disallow: /*.htm$
Crawl-delay: 3
Clean-param: PHPSESSID *
Host: www.cleancit.ru

User-agent: Googlebot
Disallow: /*.php$
Disallow: /*.html$
Disallow: /*.htm$

User-agent: *
Disallow: