{"text_format":"2","workbook":"xlsx","n_sheets":3,"sheets":["First Sheet","Sheet Number 2","Sheet3"],"not_rendered":{"charts":0,"images":0,"macros":0,"external_links":0,"defined_names":0,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"run_cost":"one","rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096},"cells_cut":0,"cells_raw":0,"read":"whole","date_system":"1900"}

{"sheet":"First Sheet","index":0,"n_rows":4,"n_cols":2,"rows_kept":4,"cut":false,"hidden":false,"merged":[]}
["Test spreadsheet"]
["2nd row","2nd row 2nd column"]
[]
["This one is red"]

{"sheet":"Sheet Number 2","index":1,"n_rows":7,"n_cols":4,"rows_kept":7,"cut":false,"hidden":false,"merged":[]}
["Start of 2nd sheet"]
["Sheet 2 row 2"]
[]
["I'm in bold blue, on a yellow background"]
[]
["cb=1","cb=10","cb=2","cb=sum"]
[1,10,2,{"$f":"SUM(A7:C7)","v":13}]

{"sheet":"Sheet3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0,"cut":false,"hidden":false,"merged":[]}