XF 1.2 vBSEO redirection rules...help

[Claudio]

I've migrated a forum from vB4+vBSEO to XenForo but I can't redirect the old vB URLs to XF.

This is the old url format:
http://www.domain.com/chainsaw/185736.htm
New url format:
http://www.domain.com/community/threads/thread-title.189566/

These are the .htaccess redirection rules:

RewriteEngine on
RewriteRule [^/]+/([\d]+)-([\d]+).htm showthread.php?t=$1&page=$2 [NC,L]
RewriteRule [^/]+/([\d]+).htm showthread.php?t=$1 [NC,L]

I've also uploaded these files in domain.com where vBulletin was installed:
http://xenforo.com/community/resources/vbulletin-4-x-url-redirection.120/

Any suggestion?
Thanks!