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['']	['0000-00-00']	['0000-00-00 00:00:00']
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[0]	['0']	['2015-01-01 00:00:00','2015-01-01 00:00:01','2015-01-01 00:00:02']	['2015-01-01','2015-01-02','2015-01-03']
[0]	['']	['2015-01-01 00:00:00','2015-01-01 00:00:01','2015-01-01 00:00:02','2015-01-01 00:00:03']	['0000-00-00']
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[0]	['0']	['2015-01-01 00:00:00','2015-01-01 00:00:01']	['2015-01-01','2015-01-02','2015-01-03']
[0,1]	['']	['2015-01-01 00:00:00','2015-01-01 00:00:01','2015-01-01 00:00:02']	['0000-00-00']
[0]	['0']	['2015-01-01 00:00:00','2015-01-01 00:00:01','2015-01-01 00:00:02','2015-01-01 00:00:03']	['2015-01-01']