# BEGIN WordPress
<IfModule mod_rewrite.c>
  RewriteEngine On
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteRule ^/blog/([0-9]+)/?$ /blog/index.php&cat=$1 [L,QSA]
  RewriteRule ^/blog/ /blog/index.php [L]
</IfModule>
# END WordPress