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

{"sheet":"Sheet1","index":0,"n_rows":27,"n_cols":16,"rows_kept":27,"flags":["formulas_cached_only"]}
["CD",{"$nulls":14}," "]
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[]
["Loudspeaker: "]
["CD","Track","dB","B1","B2","B3","B4","B5","B6","B7","B8","B9","B10","B11","B12","B13"]
{"$rows_empty":11}
["Loudspeaker:"]
["CD","Track","dB","B1","B2","B3","B4","B5","B6","B7","B8","B9","B10","B11","B12","B13"]

{"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"]}