Brain Games For Adults -1000 Sudoku Difficult Book

This book conains 1000 puzzles sudoku book. All of the puzzles inside the book are 9x9 grid. Sudoku rules are easy. Each number 1,2,3,4,5,6,7,8 and 9 must appear only once in each row, column, and region. Complete this puzzle so that every row across, every column down and every region contains the numbers 1 to 9.
Each row and each column have only one and exactly one of each of the numbers 1,2,3,4,5,6,7,8,9

Features:

• 1000 Sudoku Puzzles Books for adults hard difficulty
• Sudoku puzzles grid size in the book are 9x9 that are played with nine number 1,2,3,4,5,6,7,8,9
• An answer key for each sudoku puzzle
• Puzzles are printed on high quality white paper, paper size 8,5 x 11 inches

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