Check out this edit http://musicbrainz.org/edit/14474857
It lists 11 tracks. But when you go to that release, it shows 14 tracks. 3 extra tracks taken from another release.
I added another release based on an existing 11 track one, but included those 3 extra tracks. I manually removed them, but after submitting this edit, they showed up again.
This edit http://musicbrainz.org/edit/14474875