2012-05-20T18:00:15+00:00 always 0.5 /c-1 2012-05-20T18:00:15+00:00 always 0.5 /c-2 2012-05-20T18:00:15+00:00 always 0.5 /c-3 2012-05-20T18:00:15+00:00 always 0.5 /tube-1 2012-05-20T18:00:15+00:00 weekly 0.5 /tube-2 2012-05-20T18:00:15+00:00 weekly 0.5 /tube-3 2012-05-20T18:00:15+00:00 weekly 0.5