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This stops working if the input is not 4x4.
Check to see if a Sudoku Puzzle is Solved
Whether the input is vector?
Generate a vector like 1,2,2,3,3,3,4,4,4,4
Create a two dimensional zero matrix
Times 2 - START HERE
Find common elements in matrix rows
Clean the List of Names
Remove the small words from a list of words.
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