{"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":19,"n_cols":5,"rows_kept":19,"flags":["formulas_cached_only"]}
[]
[]
[]
[null,"c1","c2","c3","c4"]
[null,"s1","s1",12.234,"s3845"]
[null,"s4",23,23.23,"s3845"]
[null,null,25,45.34,"1989-11-03"]
[null,"s4",23.23,"s4"]
[]
[{"$nulls":3},"s3845"]
[]
[]
[]
[]
[]
[null,"test"]
[{"$nulls":3},"test2"]
[]
[{"$nulls":4},"test3"]

{"sheet":"Sheet2","index":1,"n_rows":7,"n_cols":3,"rows_kept":7,"flags":["formulas_cached_only"]}
[]
[]
[null,"r1","r1"]
[null,"r2","r2"]
[null,"r3","r3"]
[null,"r4","r4"]
[null,"r5","r5"]

{"sheet":"Sheet3","index":2,"n_rows":6,"n_cols":3,"rows_kept":6,"flags":["formulas_cached_only"]}
[]
[]
[]
[null,"3r1","3r3"]
[null,"3r2","3c2"]
[null,"3r3","3c3"]