How to make a 301 redirect from a subdomain directory to a domain directory?

Question

htaccess

Now I do this:

RewriteCond %{HTTP_HOST} ^gidranty.ispytanie01.ru
RewriteRule ^(.*)$ http://ispytanie01.ru/vodosnabzhenie/$1 [L,R=301]

Everything works, but I need to clarify the task. If a person types "gidranty.ispytanie01.ru/spb" then I need to translate him to "ispytanie01.ru/spb/vodosnabzhenie".
I have tried something like this:

Redirect 301 http://gidranty.ispytanie01.ru/spb http://ispytanie01.ru/spb/vodosnabzhenie

But without much success. I would be grateful for advice.

Answer 1

gidranty.ispytanie01.ru/spb/vodosnabzhenie translates to ispytanie01.ru/vodosnabzhenie/spb/vodosnabzhenie. That is, it seems close, but dregs :)