<IfModule mod_rewrite.c>
    RewriteEngine on
    RewriteBase /
    RewriteCond %{SCRIPT_FILENAME} !-d
    RewriteCond %{SCRIPT_FILENAME} !-f
    RewriteRule ([^/]*)/*([^/]*)/*([^/]*)/*(.*) index.php?controller=$1&action=$2&params=$3
</IfModule>