
Every Sudoku has a unique solution that can be reached logically.
goal of Sudoku is to fill in a 9x9 grid with digits so that each column, row, and 3x3 section contain the numbers between 1 to 9. At the beginning of the game, the 9x9 grid will have some of the squares filled in. Your job is to use logic to fill in the missing digits and complete the grid. Don’t forget, a move is incorrect if:
Any row contains more than one of the same number from 1 to 9
Any column contains more than one of the same number from 1 to 9
Any 3x3 grid contains more than one of the same number from 1 to 9
 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

[ regions ]
 The object of Sudoku is to fill the other empty cells with numbers between 1 and 9 according the following guidelines
 1. Number can appear only once on each row
 Allowed
 Not allowed
 2. Number can appear only once on each column

Allowed

Not allowed
 3. Number can appear only once on each region.
 Allowed
 Not allowed
 A summary of these guidelines would be, that a number should appear only once on each row, column and a region.
 [ Sudoku Puzzle Game Solution ]