The sudoku grid consists of eighty-one squares in a nine by nine grid. To solve the sudoku, each square in the grid must contain a number between one and nine, with the following conditions:
* Each row of nine cells must contain each of the numbers from 1 to 9 once and only once.
* Each column of nine cells must contain each of the numbers from 1 to 9 once and only once.
* Each of the nine 3 by 3 boxes of nine cells must contain each of the numbers from 1 to 9 once and only once.
Every Sudoku games begins with a number of squares already filled in, and the difficulty of each game is largely a function of how many squares are filled in. The more squares that are known, the easier it is to figure out which numbers go in the open squares. As you fill in squares correctly, options for the remaining squares are narrowed and it becomes easier to fill them in. The Sudoku games on playsudokugame.blogspot.com let you check your progress as you go, to help prevent going down a wrong path.
* Each row of nine cells must contain each of the numbers from 1 to 9 once and only once.
* Each column of nine cells must contain each of the numbers from 1 to 9 once and only once.
* Each of the nine 3 by 3 boxes of nine cells must contain each of the numbers from 1 to 9 once and only once.
Every Sudoku games begins with a number of squares already filled in, and the difficulty of each game is largely a function of how many squares are filled in. The more squares that are known, the easier it is to figure out which numbers go in the open squares. As you fill in squares correctly, options for the remaining squares are narrowed and it becomes easier to fill them in. The Sudoku games on playsudokugame.blogspot.com let you check your progress as you go, to help prevent going down a wrong path.
Anil Kapoor
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