{"text_format":"3","workbook":"xlsx","n_sheets":3,"sheets":["Feuil1","Feuil2","Feuil3"],"not_rendered":{"charts":1,"macros":1},"read":"whole","date_system":"1900"}

{"sheet":"Feuil1","index":0,"n_rows":5,"n_cols":14,"rows_kept":5}
[]
[]
[{"$nulls":12},"maison","portes"]
[{"$nulls":12},3,2]
[{"$nulls":12},1,5]

{"sheet":"Feuil2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0}

{"sheet":"Feuil3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0}