Brickwalldoku 400 Medium Hard Classic Sudoku 9 X 9 Bonus 250 Correct Puzzles Medium And Hard Difficulty Puzzle Book On 104 Pages 250 Additional

Enjoy comfortable and enjoy the game of numbers.A brick wall is a logical puzzle. Fill the grid with numbers so that in each row and in each column they do not repeat. On each brick, one number is even, the other is odd.- 400 funny classic puzzles + bonus in 250 Sudoku 9 x 9 very difficult level (bonus puzzles need to be downloaded and printed)The way to mastery of Sudoku! - 400 unique Sudoku puzzles- only 1 verified solution- all answers are at the end of the book- develops memory, logical thinking, helps with concentration.- only original puzzles for the power of your brainIdeal gift for all fans of puzzles.A great book for free time and studying the mind.I hope you enjoy the book.I would really appreciate it if you write a review.Best regards,Basford Holmes