Handy Sudoku puzzle book. 480 puzzles with solution. Medium Puzzles The puzzle box is divided into nine small 3x3 squares. Digits from 1 to 9 are to be added in such a way that they appear only once in each row, in each column and in each of the 3x3 squares.
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Handy Sudoku puzzle book. 480 puzzles with solution. Medium Puzzles The puzzle box is divided into nine small 3x3 squares. Digits from 1 to 9 are to be added in such a way that they appear only once in each row, in each column and in each of the 3x3 squares.
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