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Sudoku is a logicbased number puzzle game. The objective is to fill a 9x9 grid with digits from 1 to 9 in such a way that each column, each row, and each of the nine 3x3 subgrids contains all the numbers from 1 to 9 without repetition.
Yes, there are. Each row, column, and 3x3 subgrid must contain all the digits from 1 to 9 without repetition. Also, when the game starts, some cells already contain numbers, which you cannot change. The numbers you fill in the empty cells should not violate the above rules.
You should avoid inputting wrong numbers, as each number in the grid must be unique in its respective row, column, and 3x3 subgrid. However, many Sudoku games prevent you from putting an incorrect number as an added safeguard.
Yes, Sudoku puzzles can always be solved using logical reasoning and deduction, without needing to guess. Every puzzle has a unique solution, and you can solve it by applying various Sudokusolving techniques such as scanning, elimination, and logic reasoning.
If you need help or get stuck, you can use the hint feature. Simply click on an empty cell and then click on the "Hint" button, after which the correct number in the cell will be filled in automatically.
Sudoku is a popular numberbased puzzle game that originated in Japan and has gained worldwide popularity. The game consists of a 9x9 grid with numbers 1 to 9, where each number can only appear once in each row, column and 3x3 subgrid. The objective is to fill in the blank squares with the missing numbers.
The puzzle can have multiple solutions and comes in varying levels of difficulty. It can range from easy to challenging and is a great way to improve cognitive skills such as logic and concentration.
The game is played by using deduction and elimination techniques to find the missing numbers. It's a great way to exercise the mind and can also be a fun activity for people of all ages. It can also help in developing problemsolving skills, critical thinking and pattern recognition.
Sudoku has become a widespread game and can be found in many forms, including books, magazines, newspapers, online games and mobile apps. It can also be played in solo or with a group.
In conclusion, Sudoku is a fun and challenging game that can be enjoyed by people of all ages. It is a great way to improve cognitive skills and is widely available in various forms. So, if you're looking for a mental challenge or just a fun way to pass the time, give sudoku a try
Interesting fact
There are 6,670,903,752,021,072,936,960 possible combinations for completing a 9by9 Sudoku grid, but only 5,472,730,538 of them really count for different solutions. Needlessly to say, you need a handful of lifetimes to solve all of them.