SudokuMagicSudoku puzzle #495 for 10/17/2017
Sudoku is a logic puzzle game where the goal is to fill a 9x9 puzzle matrix with the numbers 1 through 9 such that each row and column as well as each of the nine 3x3 sub-matrices contain only one instance of each of the numbers 1 through 9. SudokuMagic is a sudoku solver helper. It can help you solve your particular sudoku puzzle. It can even check your answer if you don't have the solution. If you wish to use SudokuMagic to help you solve your particular puzzle, then hit the "Clear" button to clear the board. Then, enter in the known sudoku values in the puzzle boxes on the left. You can use the "Check" button to check to see if you have the correct answer or the "Hint" button to obtain a hint, which will be shown on the right. The table on the right shows the possible values that each of the boxes can take on given the input sudoku on the left. If you just want to play sudoku, then you can do that as well with SudokuMagic. Each day a new sudoku puzzle can be found. Each puzzle has a single, unique solution. You can also obtain other sudokus by using the "Random Sudoku" button. If you can't figure out the solution to the sudoku puzzle provided by SudokuMagic, then you can hit the "Show Solution" button to see the correct solution, which will show up on the right.
The puzzles provided by SudokuMagic were generated using an offline C++ program called "SudokuGen" that was also written by the author of CodingMagic.com. The program utilizes an intelligent brute force technique with backtracking for the uniqueness test that is required to determine whether or not a single, unique solution exists to the sudoku puzzle.