Title: Original Sudoku

Description: Sudoku has become a game to be extremely popular today. The rule is simple: fill the board with digits 1 to 9 so that every line, every column and every square of 3x3 boxes contain only once these numbers. Game you

Keywords: original, sudoku, become, game, extremely, popular, today, rule, simple, fill, board, with, digits, that, every, line, column, square, boxes, contain, only, once, these, numbers