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[null,1,3,4,5,6,7,8,9,10]
["Номер","3a"]
["Код"]
["Цвет"]

{"sheet":"Данные","index":1,"n_rows":15,"n_cols":3,"rows_kept":15,"cut":false,"hidden":false,"merged":[]}
["1a","синий",212]
["1b","зеленый",1108]
["1c","красный",400]
["1d","желтый",333]
["1e",null,1231]
["2a",null,440]
["2b"]
["2c"]
["2d"]
["2e"]
["3a"]
["3b"]
["3c"]
["3d"]
["3e"]