![]() Sudoku creation is not limited to number patterns there are variants that include colors, symbols and even pictures, demonstrating the versatility and adaptability of the game to different cultures and tastes. Sudoku world championships attract competitors from around the globe, evidencing the popularity and mental challenge the game offers. The world record for the fastest Sudoku solver, according to the Guinness Book of World Records, is held by Thomas Snyder, who completed a puzzle in 1 minute and 23.93 seconds. ![]() Scientists have also been interested in optimal solving methods, highlighting algorithms that can solve these puzzles quickly. This discovery opened a field of study exploring the total number of possible Sudokus, estimated at 6,670,903,752,021,072,936,960. In 2012, it was mathematically established that a valid Sudoku must start with at least 17 numbers to have a unique solution. In order to be correct, Sudokus must have an unique solution. Obviously you start from a started board. At we always try to make sure that the sudokus we generate are the most fun and with a perfectly adapted difficulty. The difficulty is not only determined by this variable. In general, the less initial numbers a sudoku has, the more complicated it is, but don't be fooled. Obviously, the starting point is a board with some known positions. The rules are simple, it consists of a grid of 9x9 cells, divided into 9 quadrants of 3x3, which must be filled so that all rows, columns and quadrants (sets of 3x3 cells) have the numbers from 1 to 9 without any repetition. The word sudoku in Japanese means (sü=number, doku=solo). Since 2005 (when started) this logical game started to become popular internationally. The history of sudoku is quite recent, although in the 19th century some French newspapers already proposed similar number puzzles, it was not until the 1970s that the sudoku we know today was developed in Japan. The Sudoku, also known as südoku, su-doku or su doku, is the fashionable Japanese logic puzzle. You can also display the sudoku solution or start over. If at any time you want to check your numbers you can do so by clicking on the check button. If you have doubts about whether you have filled in the sudoku correctly while you are doing it, you can use the self-check function that will warn you of the possible mistakes you make. When you finish filling in all of them, if you have done it right, a message will be displayed congratulating you. You can do this by clicking on the box directly or by selecting the box you want and clicking on the numeric keypad on the right. You have 7 levels to choose from very easy to very hard, including magic sudoku.įill in the boxes. Choose the sudoku difficulty level you like from the drop-down menu at the top.
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