{"text_format":"3","workbook":"xlsx","n_sheets":3,"sheets":["Hoja1","Hoja2","Hoja3"],"not_rendered":{"macros":1},"read":"whole","date_system":"1900"}

{"sheet":"Hoja1","index":0,"n_rows":9,"n_cols":2,"rows_kept":9}
["Grupos de números","Resultado"]
["12 8 45 654",{"$f":"+Sust_Num_Let(A2)","v":"D U D D "}]
["1 34 9 34 2 5 14",{"$f":"+Sust_Num_Let(A3)","v":"U D U D U U D "}]
["26 3 24 1 8 6 54 3 54","D U D U U U D U D "]
["2 1 43 7 9 6 45 32","U U D U U U D D "]
["34 5 5 21 32 6 7 5","D U U D D U U U "]
["8 43","U D "]
["5 87 32 65 6","U D D D U "]
["1 6 34 7 98 3 45 2 45","U U D U D U D U D "]

{"sheet":"Hoja2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0}

{"sheet":"Hoja3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0}