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["2015-04-14T23:00:00.000000000",null,279,1111.0]
["2015-04-14T23:15:00.000000000",null,279,1111.0]
["2015-04-14T23:30:00.000000000",null,279,1111.0]
["2015-04-14T23:45:00.000000000",null,277,0.4702214]