{"text_format":"3","workbook":"xlsx","n_sheets":3,"sheets":["Лист1","Лист2","Лист3"],"read":"whole","date_system":"1900"}

{"sheet":"Лист1","index":0,"n_rows":18,"n_cols":12,"rows_kept":18}
["Школа","николаевка",null,null,"Отд./корп",{"$nulls":3},"День","2021-09-10"]
[]
["Прием пищи","Раздел","№ рец.","Блюдо","Выход, г","Цена","Калорийность","Белки","Жиры","Углеводы"]
["Завтрак","горячее блюдо","197.11","Картофель тушеный с курицей","140/20",null,380,18,17,40]
[null,"горячий напиток","47.05","Кисель витаминизированный из концентрата плодово-ягодного",200,null,128,null,null,32]
[null,"хлеб","75.03","Хлеб пшеничный обогащенный",40,null,94,3,1,19]
[null,null,"2021-09-01","Сыр порционный",10,null,36,3,3]
[{"$nulls":5},57.43]
["Завтрак 2","фрукты"]
[]
[]
["Обед","закуска"]
[null,"1 блюдо"]
[null,"2 блюдо"]
[null,"гарнир",{"$nulls":9},"Николаевка"]
[null,"сладкое"]
[null,"хлеб бел."]
[null,"хлеб черн."]

{"sheet":"Лист2","index":1,"n_rows":0,"n_cols":0,"rows_kept":0}

{"sheet":"Лист3","index":2,"n_rows":0,"n_cols":0,"rows_kept":0}