{"text_format":"2","workbook":"xlsx","n_sheets":1,"sheets":["1305"],"not_rendered":{"charts":0,"images":2,"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":"1305","index":0,"n_rows":35,"n_cols":22,"rows_kept":35,"cut":false,"hidden":false,"merged":[]}
{"$rows_empty":26}
[{"$nulls":13},"kà",null,"thà",null,"pà",null,"xa",null,"chà"]
[]
[]
[]
[{"$nulls":13},"ka",null,"tha",null,"pa",null,null,null,"cha"]
[]
[]
[]
[{"$nulls":13},"ka(nói cao lên)",null,"ta(nói cao lên)",null,"ba(nói cao lên)",null,"xa(nói cao lên)",null,"cha(nói cao lên)"]