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

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

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