Hard Sudoku Nr.11: 480 puzzles with solution - Paperback

by From Dyzamora (Author)

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.