Weekend Sudoku 20

sudoku is one of the most popular puzzle games of all time. the goal of sudoku is to fill a 9×9 grid with numbers so that each row, column and 3×3 section contain all of the digits between 1 and 9. as a logic puzzle, sudoku is also an excellent brain game. if you play sudoku daily, you will soon start to see improvements in your concentration and overall brain power. start a game now.