Since we do not currently have a solver, we cannot validate that our masking function created a unique solution. As described in the 2012 paper “ There is no 16-Clue Sudoku: Solving the Sudoku Minimum Number of Clues Problem”, we know that 17 is the minimum amount of clues needed for creating unique solutions.Ĭreating unique solutions is critical, as having a non-unique solution would cause the puzzle to be invalid. We will iterate through the game board row by row to create the mask selecting a random set of indexes to keep. Using this library, we will pick random choices from a list of possible values for each square, ensuring we follow the rules. To ensure we generate unique new boards, we will utilize the random module supplied in the python standard library.
Then once we know the puzzle is solvable, we will apply a mask. Our first step will be to fill out the complete board with the solution to ensure it is solvable.
To build the game, we’re going to take a two-step approach. Building Sudoku Puzzlesįirst, we will build the game for generating puzzles to test our solver. In simple terms, the process of elimination is to check out which spaces are available and which few numbers are missing.The rules are minimal, but these puzzles can be challenging as there’s only one solution for valid Sudoku boards. and by that understanding exactly which numbers are missing from it. It's all about checking all those numbers which are already included in the square. Now you might be thinking, what the process of elimination has to do with Sudoku? In order To figure out which numbers will be making their way into individual spaces, you should be using the process of elimination. Keep calm and don’t force yourself, Sudoku is all about insights, patience, and recognition of patterns. If you are not able to find out which number you should locate in specific spaces, you should just keep on scanning the rest of the grid. You are not supposed to repeat any single number in any column, row, and square. Every single column, row, and square is required to be filled with numbers that range from 1-9. All the nine squares are categorized in the form of columns and rows, which are made out of 3 x 3 spaces. Sudoku is a puzzle that is played on a grid of some 9 x 9 spaces. Our goal is to bring you high-quality daily curated online sudoku puzzles so you can keep your brain sharp. Sudoku is a very popular puzzle! Here you can play all the levels of Online Sudoku.
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