deb http://http.us.debian.org/debian testing contrib non-free
deb-src http://http.us.debian.org/debian testing contrib non-free

deb http://security.debian.org/ testing/updates contrib non-free
deb-src http://security.debian.org/ testing/updates contrib non-free

deb http://http.us.debian.org/debian testing-updates contrib non-free
deb-src http://http.us.debian.org/debian testing-updates contrib non-free