The Daily Memphian now offers readers all four sudoku-puzzle difficulty levels every day. Keep scrolling for easy, medium, hard and killer sudokus. Need more to satisfy your sudoku craving? Not sure ...

The Daily Memphian now offers readers all four sudoku-puzzle difficulty levels every day. Keep scrolling for easy, medium and hard sudokus. Need more to satisfy your sudoku craving? Not sure how to ...

Check if the unsolved Sudoku has a unique solution. Convert the Data Structure of the Sudoku puzzle from a 2D List to 1D List and vice-versa. Print Sudoku puzzles to the console in an easy-to-read ...