This is my current .htaccess file in my root directory.
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
RewriteRule ^/([0-9][0-9])/([0-9][0-9])/([0-9][0-9][0-9][0-9])/$ /$3/$2/$1/ [R=301,L]
RewriteRule ^/[A-Za-z]/([0-9][0-9])/([0-9][0-9])/([0-9][0-9][0-9][0-9])/$ /$4/$3/$2/$1/ [R=301,L]
</IfModule>