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["2015-04-12T22:15:00.000000000",null,279,1107.0]
["2015-04-12T22:30:00.000000000",null,277,0.4556388]
["2015-04-12T22:45:00.000000000",null,277,0.476826]
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["2015-04-12T23:30:00.000000000",null,279,1107.0]
["2015-04-12T23:45:00.000000000",null,277,0.4419118]