Instructions
1.Fill in the grid so that every row, every column, and every 3x3 box contains the digits 1 through 9 without repetition. 2. You will be given a random puzzle and there is one and only one solution. 3. The time you consume in solving puzzle will be your score(lowest is best).Statistics
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board, board game, challenge, challenge game, en, puzzle, puzzle game, sudoku, sudoku challenge