apache rewrite zero padding

RewriteCond %{QUERY_STRING} ^(([^&]*&)*)page_id=([0-9]+)(&.*)?$
RewriteCond 00000%3 [0-9]{6}$
RewriteRule ^script\.cgi$ http://archive.example.com/%0/? [R=301,L]

https://stackoverflow.com/questions/1286551/can-i-use-mod-rewrite-to-redirect-to-a-url-with-a-zero-padded-parameter

6桁にする場合、0を5個追加、6文字切り出す