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Sudoku 9 X 9 250 Hermit Puzzles Level Gold
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Book Synopsis Sudoku 9 X 9 - 250 Hermit Puzzles - Level Gold by : Andrii Pitenko
Download or read book Sudoku 9 X 9 - 250 Hermit Puzzles - Level Gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-02-25 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 excellent, proven variations Sudoku gold. Balanced location of riddles. 2 puzzles on each page. Each Sudoku has a unique solution. A wide internal space will allow you to record many of your moves in solving a problem. Your mental abilities will be in perfect condition. A great gift for connoisseurs of Sudoku. 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. 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. 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. I would also be very grateful if you could write a review. Thank you. Best regards, Andrii Pitenko
Book Synopsis Killer Sudoku 9 X 9 - 250 Hermit Puzzles - Level Gold by : Andrii Pitenko
Download or read book Killer Sudoku 9 X 9 - 250 Hermit Puzzles - Level Gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 excellent puzzles at the level of gold. All riddles have only 1 solution. 2 puzzles per page. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles. 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 sum of all numbers in the marked section must correspond to the number written in the corner of this section. 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. 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 daily 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 Pitenko
Book Synopsis Sudoku 9 X 9 - 250 Even - Odd Puzzles - Hermit - Level Gold by : Andrii Pitenko
Download or read book Sudoku 9 X 9 - 250 Even - Odd Puzzles - Hermit - Level Gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03-09 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: - 250 exciting sudoku puzzle - level of the gold medalist -each Sudoku has a unique solution - tasks are conveniently located - large print - develops memory, logical thinking, helps with concentration. Sudoku is useful at any age for developing mental abilities and maintaining them in perfect condition. 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. Cells with even numbers are marked with a gray background with odd-white color. 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 daily 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 Pitenko
Book Synopsis Sudoku 9 X 9 - 250 Skyscraper Puzzles - Hermit - Level Gold by : Andrii Pitenko
Download or read book Sudoku 9 X 9 - 250 Skyscraper Puzzles - Hermit - Level Gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03-13 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: - 250 exciting sudoku puzzle - level of the gold medalist - each Sudoku has a unique solution - tasks are conveniently located - large print - develops memory, logical thinking, helps with concentration. Sudoku is useful at any age for developing mental abilities and maintaining them in perfect condition. 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. Contains key numbers located along the sides of Sudoku. It is necessary to arrange the numbers in cells; each figure indicates the number of floors in a skyscraper. Key numbers outside the cells show how many houses can be seen in the corresponding row or column, if viewed from this number. 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 daily 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 Pitenko
Book Synopsis Sudoku 9 X 9 - 250 Next to Each Other - Hermit - Level Gold by : Andrii Pitenko
Download or read book Sudoku 9 X 9 - 250 Next to Each Other - Hermit - Level Gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03-07 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 honed Sudoku puzzle. Enjoy, relax, gain your happiness when solving these Sudoku. 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, a large font is used. There is enough room for your thoughts, records and solutions. This Sudoku is as difficult as a gold 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 daily 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 Pitenko
Book Synopsis Hermit Sudoku - 10 X 10 - 250 Puzzles - Level Gold by : Andrii Pitenko
Download or read book Hermit Sudoku - 10 X 10 - 250 Puzzles - Level Gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-02-15 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 excellent puzzles at the level of gold. All riddles have only 1 solution. 2 puzzles per page. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles. Sudoku 10x10, separated by smaller rectangles of 5x2 cells. It is necessary to fill empty cells with numbers from 1 to 10, each of the digits should appear only once in each line of the 10x10 square, 10x10 column and 5x2 rectangle. 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. I would also be very grateful if you could write a review. Thank you. Best regards, Andrii Pitenko
Book Synopsis Sudoku 9 X 9 - 250 Puzzles 3 Numbers - Hermit. Vol. 134 by : Andrii Pitenko
Download or read book Sudoku 9 X 9 - 250 Puzzles 3 Numbers - Hermit. Vol. 134 written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03-14 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 excellent puzzles at the level of bronze, silver and gold. All riddles have only 1 solution. 2 puzzles per page. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles. 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 numbers on the sides of the Sudoku indicate the sum of the 3 nearest digits located horizontally or vertically. 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. 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 daily 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 Pitenko
Book Synopsis Sudoku 9 X 9 - 250 Hermit Puzzles - Level Bronze by : Andrii Pitenko
Download or read book Sudoku 9 X 9 - 250 Hermit Puzzles - Level Bronze written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-02-25 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 excellent, proven variations Sudoku bronze. Balanced location of riddles. 2 puzzles on each page. Each Sudoku has a unique solution. A wide internal space will allow you to record many of your moves in solving a problem. Your mental abilities will be in perfect condition. A great gift for connoisseurs of Sudoku. 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. 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. 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. I would also be very grateful if you could write a review. Thank you. Best regards, Andrii Pitenko
Book Synopsis Sudoku 9 X 9 - 250 Hermit Puzzles - Level Silver by : Andrii Pitenko
Download or read book Sudoku 9 X 9 - 250 Hermit Puzzles - Level Silver written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-02-25 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 excellent, proven variations Sudoku silver. Balanced location of riddles. 2 puzzles on each page. Each Sudoku has a unique solution. A wide internal space will allow you to record many of your moves in solving a problem. Your mental abilities will be in perfect condition. A great gift for connoisseurs of Sudoku. 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. 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. 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. I would also be very grateful if you could write a review. Thank you. Best regards, Andrii Pitenko
Book Synopsis Sudoku 8 X 8 - 250 Hermit Puzzles - Gold by : Andrii Pitenko
Download or read book Sudoku 8 X 8 - 250 Hermit Puzzles - Gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-02-11 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 good puzzles at the level of gold. All riddles have only 1 solution. 2 puzzles per page. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles. Sudoku 8x8, separated by smaller rectangles of 4x2 cells. It is necessary to fill empty cells with numbers from 1 to 8, each of the digits should appear only once in each line of the 8x8 square, 8x8 column and 4x2 rectangle. 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. I would also be very grateful if you could write a review. Thank you. Best regards, Andrii Pitenko
Book Synopsis 250 Points Puzzles - Hermit. Vol. 143 by : Andrii Pitenko
Download or read book 250 Points Puzzles - Hermit. Vol. 143 written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03-15 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 excellent puzzles at the level of bronze, silver and gold. All riddles have only 1 solution. 2 puzzles per page. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles. 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. If the numbers in neighboring cells differ by one, then there is a white dot between them. If in neighboring cells one number is twice as large as another, then the cells are separated by a black dot. Between the digits 1 and 2 there may be a point of any of these colors. 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. 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 daily 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 Pitenko
Book Synopsis Level Gold Sudoku - 250 Championship Puzzles - Vol. 10 by : Andrii Pitenko
Download or read book Level Gold Sudoku - 250 Championship Puzzles - Vol. 10 written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-05-04 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: - 250 exciting puzzles - hard and believe the hard version as a champion, the golden prize of extreme Sudoku. - each Sudoku has a unique solution - tasks are conveniently located - large font - develops memory, logical thinking, helps to focus - 2 puzzles on the page - wide internal fields allow you to record your decisions and thoughts - very convenient and practical - expands creative possibilities - perfect gift for all fans of puzzles. 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. An excellent book for free time pastime and mind training. Presented 150 pages. The format is 6 '' x 9 ''. I hope you enjoy my book. This Sudoku will provide you with rest, color your leisure time, transform your free time into relaxation, give rest from everyday to 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 Pitenko
Book Synopsis Killer Sudoku 9 X 9 - 250 Hermit Puzzles - Level Bronze by : Andrii Pitenko
Download or read book Killer Sudoku 9 X 9 - 250 Hermit Puzzles - Level Bronze written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 excellent puzzles at the level of bronze. All riddles have only 1 solution. 2 puzzles per page. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles. 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 sum of all numbers in the marked section must correspond to the number written in the corner of this section. 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. 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 daily 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 Pitenko
Book Synopsis 12 X 12 Sudoku - 250 Hermit Puzzles - Level Gold by : Andrii Pitenko
Download or read book 12 X 12 Sudoku - 250 Hermit Puzzles - Level Gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-02-18 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 excellent puzzles at the level of gold. All riddles have only 1 solution. 2 puzzles per page. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles. Sudoku 12x12, separated by smaller rectangles of 4x3 cells. It is necessary to fill empty cells with numbers from 1 to 12, each of the digits should appear only once in each line of the 12x12 square, 12x12 column and 4x3 rectangle. 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. I would also be very grateful if you could write a review. Thank you. Best regards, Andrii Pitenko
Book Synopsis Sudoku 9 X 9 - 250 Even - Odd Puzzles - Hermit - Level Silver by : Andrii Pitenko
Download or read book Sudoku 9 X 9 - 250 Even - Odd Puzzles - Hermit - Level Silver written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03-09 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 exciting sudoku puzzle - level of the silver medalist -each Sudoku has a unique solution - tasks are conveniently located - large print - develops memory, logical thinking, helps with concentration. Sudoku is useful at any age for developing mental abilities and maintaining them in perfect condition. 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. Cells with even numbers are marked with a gray background with odd-white color. 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 daily 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 Pitenko
Book Synopsis Sudoku 8 X 8 - 250 Killer Puzzles - Hermit - Gold by : Andrii Pitenko
Download or read book Sudoku 8 X 8 - 250 Killer Puzzles - Hermit - Gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-02-12 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 good puzzles at the level of gold. All riddles have only 1 solution. 2 puzzles per page. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles. Sudoku 8x8, separated by smaller rectangles of 4x2 cells. It is necessary to fill empty cells with numbers from 1 to 8, each of the digits should appear only once in each line of the 8x8 square, 8x8 column and 4x2 rectangle. The sum of all the numbers in the cage must correspond to the number printed in the corner. 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. I would also be very grateful if you could write a review. Thank you. Best regards, Andrii Pitenko
Book Synopsis Killer Sudoku 9 X 9 - 250 Hermit Puzzles - Level Silver by : Andrii Pitenko
Download or read book Killer Sudoku 9 X 9 - 250 Hermit Puzzles - Level Silver written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 excellent puzzles at the level of silver. All riddles have only 1 solution. 2 puzzles per page. Balanced location of riddles. Enough space for your thoughts and decisions. Very convenient and practical. Good brain support in shape. Expands creative thinking. Wide inner edges allow recording of solution options. Ideal gift for all fans of puzzles. 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 sum of all numbers in the marked section must correspond to the number written in the corner of this section. 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. 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 daily 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 Pitenko
