{"text_format":"3","workbook":"xls","n_sheets":1,"sheets":["Sheet1"],"not_rendered":{"charts":1,"external_links":1},"read":"whole","date_system":"1904","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":2,"n_cols":2,"rows_kept":2,"flags":["formulas_cached_only"]}
["test ",1]
["test2",2]