[[1542412800, 1] ,[1542423600, 2] ,[1542430800, 1] ,[1542434400, 1] ,[1542445200, 1] ,[1542463200, 3] ,[1542470400, 2] ,[1542474000, 3] ,[1542477600, 2] ,[1542481200, 1] ,[1542488400, 1]