{"text_format":"2","workbook":"xlsx","n_sheets":2,"sheets":["Sheet1","Sheet Number 2"],"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":"Sheet1","index":0,"n_rows":6,"n_cols":3,"rows_kept":6,"cut":false,"hidden":false,"merged":[]}
["test",null,1]
["test 2",null,2]
[null,null,3]
[null,null,4]
[null,null,5]
[null,null,6]

{"sheet":"Sheet Number 2","index":1,"n_rows":7,"n_cols":6,"rows_kept":7,"cut":false,"hidden":false,"merged":[]}
["This is sheet 2"]
["Stuff"]
[1,2,3,4,5,6]
["1990-01-01"]
[]
[]
[{"$f":"SUM(A3:D3)","v":10},null,{"$f":"C3","v":3}]