{"text_format":"1","workbook":"xlsx","n_sheets":1,"sheets":["Sheet1"],"not_rendered":{"charts":0,"images":0,"macros":1,"external_links":0,"defined_names":0,"comments":0,"pivot_tables":0},"unopened":[],"bounds":{"document_bytes":16777216,"sheet_cells":100000,"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":11,"n_cols":6,"rows_kept":11,"cut":false,"hidden":false,"merged":[]}
["会員番号","姓","性別","会場","クラス","生年月日"]
[10010,"沢","女","札幌","B","1979-02-27"]
[10020,"植松","女","福岡","A","1978-11-30"]
[10030,"高木","男","東京","A","1968-10-19"]
[10040,"町田","女","札幌","C","1977-12-02"]
[10050,"淡野","女","東京","C","1973-08-04"]
[10060,"和久井","女","福岡","C","1973-09-27"]
[10070,"山下","男","札幌","A","1984-08-28"]
[10080,"木田","女","札幌","C","1973-03-27"]
[10090,"高野","男","福岡","C","1972-09-09"]
[10100,"今井","男","東京","B","1984-06-16"]