[users@httpd] A rewrite rule

[Dennis]

Hi, guys,
I want to rewrite from "tc.example.com/xyz" to "example.com/good/tc"
I tried the following rewrite rule, but it doesnot work.
RewriteCond %{HTTP_HOST} \.tc\.example\.com$RewriteRule ^/(.*) /good/$1 [NC,P,L]
Any idea how to do it?
Thanks.Dennis