{"text_format":"3","workbook":"xlsx","n_sheets":1,"sheets":["18,10"],"read":"whole","date_system":"1900"}

{"sheet":"18,10","index":0,"n_rows":8,"n_cols":10,"rows_kept":8,"merged":[[0,1,0,3]]}
["Школа",{"$nulls":3},"Отд./корп",{"$nulls":3},"День","2021-09-02"]
[]
["Прием пищи","Раздел","№ рец.","Блюдо","Выход, г","Цена","Калорийность","Белки","Жиры","Углеводы"]
["Завтрак","гор.блюдо",313,"Запеканка из творога со сгущ мол ","120/20",null,308,28,7,31]
[null,"гор.напиток",300,"Чай с сахаром",200,null,40,0,0,10]
[null,"хлеб",108,"Хлеб пшеничный для детского питания с вит.",50,null,118,4,1,24]
[{"$nulls":3},"сок фруктовый 0,2",200,null,92,1,null,20]
[null,"Итого:",{"$nulls":3},"57-43"]