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["2013-05-01T22:30:00.000000000",null,3023,0.09]
["2013-05-01T22:45:00.000000000",null,3023,0.086]
["2013-05-01T23:00:00.000000000",null,3024,210.9]
["2013-05-01T23:30:00.000000000",null,3023,0.09]