User-agent: Yandex
                Disallow: /?
                Disallow: /norobot
                Disallow: /yac
                Disallow: /yandpage
                Disallow: /yandsearch
                Disallow: /yca
                Host: yaca.yandex.ru

                User-agent: *
                Disallow: /cy
                Disallow: /norobot
                Disallow: /yaca/
                Disallow: /yandpage
                Disallow: /yandsearch
                Disallow: /yca/addr
                Disallow: /yca/alf
                Disallow: /yca/cy
                Disallow: /yca/genre
                Disallow: /yca/geo
                Disallow: /yca/grp
                Disallow: /yca/narod
                Disallow: /yca/onl
                Disallow: /yca/rgrp
                Disallow: /yca/sect
                Disallow: /yca/sft
                Disallow: /yca/spos
                Disallow: /yca/src
                Disallow: /yca/synt
                Disallow: /yca/time
                Disallow: /yca/trg
                Disallow: /yca/tungrp
                Disallow: /yca/ungrp
                Disallow: /yca/xxx