About Sudoku:
Sudoku means 'Number Place'. It is made of 9 rows, 9 columns and 9 blocks.
The goal is to place the numbers 1 to 9 in each row, column and block (a subgrid of 3x3 cells).
Sudoku - Rules of the games:
Each of the nine blocks has to contain the numbers 1 to 9 in its squares. Each number can only appear once column, row or 3x3 box. Every sudoku puzzle has only one correct solution. Enjoy!!