deb http://ftp.bg.debian.org/debian/ testing main contrib non-free
deb-src http://ftp.bg.debian.org/debian/ testing main contrib non-free
deb http://http.us.debian.org/debian/ testing main contrib non-free
deb-src http://http.us.debian.org/debian/ testing main contrib non-free
deb http://ftp.ccc.uba.ar/pub/linux/debian/debian/ testing main
deb-src http://ftp.ccc.uba.ar/pub/linux/debian/debian/ testing main
deb http://security.debian.org/ testing/updates main contrib
deb-src http://security.debian.org/ testing/updates main contrib