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["2013-01-31T23:00:00.000000000",null,3024,209.8]
["2013-01-31T23:15:00.000000000",null,3023,0.09]
["2013-01-31T23:30:00.000000000",null,3023,0.09]
["2013-01-31T23:45:00.000000000",null,3024,210.7]