Sudoku is played over a 9x9 grid, divided to 3x3 sub grids called "regions".
Sudoku begins with some of the grid cells already filled with numbers:
The objective of Sudoku is to fill the other empty cells with numbers between 1 and 9 (1 number only in each cell) according the following guidelines:
1) Number can appear only once on each row:
2) Number can appear only once on each column:
3) Number can appear only once on each region:
A summary of these guidelines would be - a number should appear only once on each row, column and a region.
Source: www.sudoku.name
Sudoku begins with some of the grid cells already filled with numbers:
The objective of Sudoku is to fill the other empty cells with numbers between 1 and 9 (1 number only in each cell) according the following guidelines:
1) Number can appear only once on each row:
2) Number can appear only once on each column:
3) Number can appear only once on each region:
A summary of these guidelines would be - a number should appear only once on each row, column and a region.
Source: www.sudoku.name
