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["2014-09-18T22:45:00.000000000",null,277,0.4698984]
["2014-09-18T23:00:00.000000000",null,279,801.0]
["2014-09-18T23:30:00.000000000",null,279,801.0]
["2014-09-18T23:45:00.000000000",null,279,801.0]