3
dt=2000-01-01	2
dt=2013-12-10	1
dt=2013-08-08	2
dt=2013-08-08/region=1	1
dt=2000-01-01/region=1	1
dt=2013-12-10/region=2020-20-20	1
dt=2000-01-01/region=2	1
dt=2013-08-08/region=10	1
region=10	1
region=2020-20-20	1
region=2	1
region=1	2