-1 -1 -1 2001-12-31T12:00:00 1 1 1 2001-12-31T12:01:00 0 0 0 2001-12-31T12:02:00 1 0 -1 2001-12-31T12:02:50 -1 1 -1 2001-12-31T12:03:00