sudoku
Sudoku is a number-placing puzzle on a 9x9 grid with given numbers. Place numbers 1 to 9 in empty squares so each row, each column and each 3x3 box has the same number only once. The difficulty level increases from Monday to Sunday.
Sudoku is a number-placing puzzle on a 9x9 grid with given numbers. Place numbers 1 to 9 in empty squares so each row, each column and each 3x3 box has the same number only once. The difficulty level increases from Monday to Sunday.