Handy Sudoku puzzle book.
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.
Handy Sudoku puzzle book. 480 puzzles with solution. Hard 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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