{"text_format":"3","workbook":"xls","n_sheets":3,"sheets":["Sheet1","Sheet2","Sheet3"],"not_rendered":{"external_links":1},"read":"whole","date_system":"1900","formulas":"cached_only"}

{"sheet":"Sheet1","index":0,"n_rows":23,"n_cols":12,"rows_kept":23,"flags":["formulas_cached_only"]}
["Hello"]
[11,null,null,23]
[45,{"$nulls":4},22]
{"$rows_empty":17}
[50,51,52,53,54]
["Hi","Bye",null,12,null,23,42]
["Stuff",null,null,"11","44",{"$nulls":6},"44"]

{"sheet":"Sheet2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0,"flags":["formulas_cached_only"]}