{"text_format":"3","workbook":"xlsx","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"read":"whole","date_system":"1900"}

{"sheet":"Sheet1","index":0,"n_rows":6,"n_cols":29,"rows_kept":6}
[null,"Controller","Renderer","SS","Result",null,null,"Controller","Renderer","SS","Result",null,null,"Controller","Renderer","SS","Result",null,null,"Controller","Renderer","SS","Result",null,null,"Controller","Renderer","SS","Result"]
[null,"double","CL",2,"ok",null,null,"double","CL",2,"ok",null,null,"double","CL",2,{"$nulls":3},"double","CL",2,"ok",null,null,"double","CPU",2,"ok"]
[null,"double","CPU",1,"bad",null,null,"double","CL",1,"ok",null,null,"float","CL",1,{"$nulls":3},"float","CPU",1,"bad",null,null,"double","CPU",1,"ok"]
[]
[null,"double","CPU",2,"ok"]
[null,"double","CL",1,"bad"]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0}

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0}