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Your Task: fill some squares with numbers 1 to 4 to make a Sudoku puzzle. The made Sudoku should have one and only one Solution.
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Your Task: fill some squares with numbers 1 to 3 to make a Sudoku puzzle. The made Sudoku should have one and only one Solution.
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Your Task: fill some squares with numbers 1 to 2 to make a Sudoku puzzle. The made Sudoku should have one and only one Solution.
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