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["2019","B1","B2","B3","B4"]
["01/01/2019 00:00:00",49,48,22,30]
["01/01/2019 01:00:00",8,30,37,24]
["01/01/2019 02:00:00",19,34,17,16]
["01/01/2019 03:00:00",39,37,17,36]
["01/01/2019 04:00:00",26,37,36,45]
["01/01/2019 05:00:00",46,28,22,39]