.htaccess ip bases restriction

Options +FollowSymlinks
RewriteEngine on
RewriteCond %{REMOTE_ADDR} !^111\.22\.333\.444$
RewriteCond %{REMOTE_ADDR} !^123\.22\.46\.56$
RewriteCond %{REQUEST_URI} !\.(jpg|jpeg|png|gif|svg|swf|css|ico|js)$ [NC]
RewriteRule ^ /maintenance.html