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[null,null,null,"Основной лист",null,null,null,null,null,null,"Таблица 1"]
[null,null,null,"Раздел 1","Раздел 2","Раздел 3","Раздел 4","Раздел 5","Раздел 6","Раздел 7","Раздел 8",null,null,null,"Список 1",null,"Список 2"]
[null,null,null,1,"Винт","Установочный",2,3,4,5,6]
[null,null,null,2,"Гайка",1,1,1,1,1,1,null,null,null,"Винт",null,"Крепежный"]
[null,null,null,3,"Винт","Крепежный",31,32,33,34,35,null,null,null,"Гайка",null,"Установочный"]
[null,null,null,null,null,null,null,null,null,null,null,null,null,null,"Шуруп"]

{"sheet":"Винт","index":1,"n_rows":5,"n_cols":13,"rows_kept":5,"cut":false,"hidden":false,"merged":[]}
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[null,null,null,"Винт",null,null,null,null,null,null,null,null,"Таблица 2"]
[null,null,null,"Раздел 1","Раздел 2","Раздел 3","Раздел 4","Раздел 5","Раздел 6","Раздел 7","Раздел 8","Раздел 9","Раздел 10"]
[null,null,null,1,null,"Установочный",2,3]
[null,null,null,3,null,"Крепежный",31,32]