[[1527559200, 1]
,[1527562800, 2]
,[1527566400, 4]
,[1527573600, 1]
,[1527584400, 1]
,[1527588000, 1]
,[1527598800, 1]
,[1527606000, 3]
,[1527609600, 3]
,[1527613200, 4]
,[1527624000, 2]
,[1527631200, 2]