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{"sheet":"Sheet1","index":0,"n_rows":16,"n_cols":3,"rows_kept":16,"cut":false,"hidden":false,"merged":[]}
["Year","Product","Sales"]
[2010,"Product A",400]
[2010,"Product B",310]
[2010,"Product C",660]
[2011,"Product A",720]
[2011,"Product B",600]
[2011,"Product C",860]
[2012,"Product A",740]
[2012,"Product B",220]
[2012,"Product C",210]
[2013,"Product A",770]
[2013,"Product B",380]
[2013,"Product C",350]
[2014,"Product A",510]
[2014,"Product B",170]
[2014,"Product C",290]

{"sheet":"BackupData","index":1,"n_rows":16,"n_cols":3,"rows_kept":16,"cut":false,"hidden":false,"merged":[]}
["Year","Product","Sales"]
[2010,"Product A",400]
[2010,"Product B",310]
[2010,"Product C",660]
[2011,"Product A",720]
[2011,"Product B",600]
[2011,"Product C",860]
[2012,"Product A",740]
[2012,"Product B",220]
[2012,"Product C",210]
[2013,"Product A",770]
[2013,"Product B",380]
[2013,"Product C",350]
[2014,"Product A",510]
[2014,"Product B",170]
[2014,"Product C",290]