<VirtualHost *:7777>
   ServerName testsite.example.com
   Port 80
   ServerAdmin you@your.address
   RewriteEngine On
   RewriteOptions inherit
</VirtualHost>

<VirtualHost *:7777>
   ServerName testserver-01.example.com
   Port 7777
   ServerAdmin you@your.address
   RewriteEngine On
   RewriteOptions inherit
</VirtualHost>

<VirtualHost *:7777>
   ServerName testsite.example.com
   Port 7777
   ServerAdmin you@your.address
   RewriteEngine On
   RewriteOptions inherit
</VirtualHost>

<VirtualHost *:7777>
   ServerName testserver-02.example.com
   Port 7777
   ServerAdmin you@your.address
   RewriteEngine On
   RewriteOptions inherit
</VirtualHost>