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deb http://gb.archive.ubuntu.com/ubuntu/ gutsy main restricted
deb-src http://gb.archive.ubuntu.com/ubuntu/ gutsy main restricted

deb http://gb.archive.ubuntu.com/ubuntu/ gutsy-updates main restricted
deb-src http://gb.archive.ubuntu.com/ubuntu/ gutsy-updates main restricted

deb http://gb.archive.ubuntu.com/ubuntu/ gutsy universe
deb-src http://gb.archive.ubuntu.com/ubuntu/ gutsy universe

deb http://gb.archive.ubuntu.com/ubuntu/ gutsy-updates universe
deb-src http://gb.archive.ubuntu.com/ubuntu/ gutsy-updates universe

deb http://gb.archive.ubuntu.com/ubuntu/ gutsy multiverse
deb-src http://gb.archive.ubuntu.com/ubuntu/ gutsy multiverse

deb http://gb.archive.ubuntu.com/ubuntu/ gutsy-updates multiverse
deb-src http://gb.archive.ubuntu.com/ubuntu/ gutsy-updates multiverse

deb http://gb.archive.ubuntu.com/ubuntu/ gutsy-backports main restricted universe multiverse
deb-src http://gb.archive.ubuntu.com/ubuntu/ gutsy-backports main restricted universe multiverse

deb http://archive.canonical.com/ubuntu gutsy partner
deb-src http://archive.canonical.com/ubuntu gutsy partner

deb http://security.ubuntu.com/ubuntu gutsy-security main restricted
deb-src http://security.ubuntu.com/ubuntu gutsy-security main restricted

deb http://security.ubuntu.com/ubuntu gutsy-security universe
deb-src http://security.ubuntu.com/ubuntu gutsy-security universe

deb http://security.ubuntu.com/ubuntu gutsy-security multiverse
deb-src http://security.ubuntu.com/ubuntu gutsy-security multiverse

deb http://gb.archive.ubuntu.com/ubuntu/ gutsy-proposed restricted main multiverse universe
deb http://packages.medibuntu.org/ gutsy free non-free