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

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

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