User-agent: Yandex
Disallow: /static/blank.pdf
Disallow: /*?*
Clean-param: ref /

Disallow: /help/*?*
Clean-param: ref /help/

Disallow: /cennoe-pismo/*?*
Clean-param: ref /cennoe-pismo/

Disallow: /otslezhivanie/*?*
Clean-param: ref /otslezhivanie/

Disallow: /zakaznoe/*?*
Clean-param: ref /zakaznoe/

Disallow: /skachat/*?*
Clean-param: ref /skachat/

Allow: /
Allow: /help/
Allow: /cennoe-pismo/
Allow: /otslezhivanie/
Allow: /zakaznoe/
Allow: /skachat/