250 honed Sudoku puzzle. Enjoy, relax, gain your happiness when solving these sudokus.The book is made and repeatedly verified. All decisions are at the end of the book. All crossword puzzles are arranged 2 by 1 page. For convenience, large font is used. There is enough room for your thoughts, records, and solutions. This Sudoku is as difficult as a silver medalist in his favorite sport. The book will train, support, develop and entertain your brain. I wish you a pleasant time of forwarding.Sudoku 9x9, separated by smaller rectangles of 3x3 cells. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each line of the 9x9 square, 9x9 column, and 3x3 rectangle. The border indicates cells in which the digits differ by 1. No matter what figure of the playing field we take in all the cells around it (horizontally, vertically or diagonally), there should not be such a figure. This means that for any randomly taken 3x3 square, the central figure of this square occurs only once in it.Excellent purchase for fans of Sudoku.A great book for relaxing in your spare time. There are 148 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. Sudoku will provide you with relaxation, color your leisure, turn your free time into relaxation, give a vacation from the day for your mind, add zest, develop memory, develop logical thinking and concentration of attention.I would also be very grateful if you could write a review.Thank you.Best regards, Andrii Pitenk