Download or read book 200 Kakuro Sudoku and 200 Numbricks Puzzles Medium Hard Levels written by Basford Holmes and published by . This book was released on 2019-05-28 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Holmes presents a collection of classic sudoku to perfectly charge the mind. This is mental fitness and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed. NUMBRICKS - A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed. 400 unique puzzles. + 500 sudoku and maze puzzles that can be downloaded and printed. All puzzles have only 1 proven solution. The answers are at the end of the book. This is a great book for spending free time. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro Sudoku and 200 Numbricks Puzzles Easy Medium Levels written by Basford Holmes and published by . This book was released on 2019-05-25 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Holmes presents a collection of classic sudoku to perfectly charge the mind. This is mental fitness and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed.NUMBRICKS - A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed.400 unique puzzles. + 500 sudoku and maze puzzles that can be downloaded and printed. All puzzles have only 1 proven solution. The answers are at the end of the book.This is a great book for spending free time. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro Sudoku and 200 Numbricks Puzzles Medium Levels written by Basford Holmes and published by Independently Published. This book was released on 2019-05-19 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Holmes presents a collection of classic sudoku to perfectly charge the mind. This is mental fitness and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed.NUMBRICKS - A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed.400 unique puzzles. + 500 sudoku and maze puzzles that can be downloaded and printed. All puzzles have only 1 proven solution. The answers are at the end of the book.This is a great book for spending free time. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro Sudoku and 200 Numbricks Puzzles Hard Extreme Levels written by Basford Holmes and published by . This book was released on 2019-05-28 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Holmes presents a collection of classic sudoku to perfectly charge the mind. This is mental fitness and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed. NUMBRICKS - A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed. 400 unique puzzles. + 500 sudoku and maze puzzles that can be downloaded and printed. All puzzles have only 1 proven solution. The answers are at the end of the book. This is a great book for spending free time. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro Sudoku and 200 Numbricks Puzzles Hard Levels written by Basford Holmes and published by Independently Published. This book was released on 2019-05-21 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Holmes presents a collection of classic sudoku to perfectly charge the mind. This is mental fitness and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed.NUMBRICKS - A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed.400 unique puzzles. + 500 sudoku and maze puzzles that can be downloaded and printed. All puzzles have only 1 proven solution. The answers are at the end of the book.This is a great book for spending free time. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro Sudoku and 200 Numbricks Puzzles Easy Levels written by Basford Holmes and published by . This book was released on 2019-05-16 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Holmes presents a collection of classic sudoku to perfectly charge the mind. This is mental fitness and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed.NUMBRICKS - A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed.400 unique puzzles. ] 500 sudoku and maze puzzles that can be downloaded and printed. All puzzles have only 1 proven solution. The answers are at the end of the book.This is a great book for spending free time. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro Sudoku and 200 Numbricks Puzzles Very Hard Levels written by Basford Holmes and published by Independently Published. This book was released on 2019-05-23 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Holmes presents a collection of classic sudoku to perfectly charge the mind. This is mental fitness and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed.NUMBRICKS - A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed.400 unique puzzles. + 500 sudoku and maze puzzles that can be downloaded and printed. All puzzles have only 1 proven solution. The answers are at the end of the book.This is a great book for spending free time. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro Sudoku and 200 Numbricks Puzzles All Levels written by Basford Holmes and published by Independently Published. This book was released on 2019-05-15 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Holmes presents a collection of classic sudoku to perfectly charge the mind. This is mental fitness and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed. NUMBRICKS - A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed. 400 unique puzzles. + 500 sudoku and maze puzzles that can be downloaded and printed. All puzzles have only 1 proven solution. The answers are at the end of the book. This is a great book for spending free time. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro Sukrokuro 100 100 Number Cross Sudoku Puzzles Medium Levels written by Basford Holmes and published by Independently Published. This book was released on 2019-02-07 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Medium, moderate training for the mind and energy for the brain. - 200 KaKuro sudoku puzzle 9x9 ] 10x10 + 12x12 + 15x15. - 100 Su-Kro-Kuro sudoku puzzles 11x11 + 12x12. - 100 Number Cross Sudoku - 25 puzzles 9x9, 25 puzzles 10x10, 25 puzzles 11x11 and 25 puzzles 12x12 medium levels. Unique puzzlesKakuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed. Su-Kro-Kuro puzzles. ("Sukrokuro" - the name of the puzzle is made up of parts of the words "Sudoku," "Kropki," and "Kakuro") combines elements of three puzzles: Sudoku, Sudoku-points, and Kakuro. The task is a square grid with white and black cells. It is necessary to fill white cells with numbers so that in each row and in each column each number from 1 to N would meet only once. In black cells, the upper right value is the sum of the numbers in the row, and the value from the bottom left is the sum of the column numbers below the cell. If the numbers in neighboring cells differ by one, then there is a point on the border between them. If there is no point between two adjacent cells, the numbers in these cells differ by more than one. Number Cross Sudoku. The number cross is a square grid with numbers. The solution is to shade some cells. The first row and the top row of numbers show the sum of the numbers in white cells in the corresponding row or column. + 250 sudokus difficult level that can be downloaded and printed.+ 250 maze puzzles that can be downloaded and printed.Only 1 verified answer. All answers are at the end of the book. Puzzles are exclusive. An excellent book for free time and mind exploration.I hope you enjoy the book.Best regards, Basford Holmes

Download or read book 200 Kakuro Sukrokuro 100 100 Number Cross Sudoku Puzzles Medium Hard Levels Holmes Is a Collection of Puzzles of Medium and Heavy Levels Con written by Basford Holmes and published by Original Classic Sudoku. This book was released on 2019-02-25 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Medium and hard training for the mind and energy for the brain. 200 KaKuro sudoku puzzle 12x12-15x15-17x17-19x19. 100 Su-Kro-Kuro sudoku puzzles 11x11 + 12x12. 100 Number Cross Sudoku - 25 puzzles 9x9, 25 puzzles 10x10 medium levels, 25 puzzles 11x11 and 25 puzzles 12x12 hard levels. Unique puzzles. Kakuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed. Su-Kro-Kuro puzzles. ("Sukrokuro" - the name of the puzzle is made up of parts of the words "Sudoku," "Kropki," and "Kakuro") combines elements of three puzzles: Sudoku, Sudoku-points, and Kakuro. The task is a square grid with white and black cells. It is necessary to fill white cells with numbers so that in each row and in each column each number from 1 to N would meet only once. In black cells, the upper right value is the sum of the numbers in the row, and the value from the bottom left is the sum of the column numbers below the cell. If the numbers in neighboring cells differ by one, then there is a point on the border between them. If there is no point between two adjacent cells, the numbers in these cells differ by more than one. Number Cross Sudoku. The number cross is a square grid with numbers. The solution is to shade some cells. The first row and the top row of numbers show the sum of the numbers in white cells in the corresponding row or column. + 250 sudokus difficult level that can be downloaded and printed. + 250 maze puzzles that can be downloaded and printed. Only 1 verified answer. All answers are at the end of the book. Puzzles are exclusive. An excellent book for free time and mind exploration. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro and 200 Calcudoku 9x9 Medium Hard Levels Kakuro 15x15 16x16 17x17 18x18 and Calcudoku a Medium and Heavy Version of Sudoku Puzzle written by Basford Holmes and published by Kakuro and Calcudoku Classic S. This book was released on 2019-03-12 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a strong workout and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed. Calcudoku - this is a mathematical and logical puzzle. It is necessary to fill the grid with numbers so that in each line and in each column they are not repeated. The number in the corner of each selected block is the result of an arithmetic operation on the digits in this block. The numbers inside the block can be repeated. All signs of mathematical signs are hidden. The puzzle can be called Square Wisdom, Kendoku. 50 Kakuro 15 x 15. 50 Kakuro 16 x 16. 50 Kakuro 17 x 17. 50 Kakuro 18 x 18. 100 calcudoku sudoku puzzle medium levels. 100 calcudoku sudoku puzzle hard levels. Only unique puzzles. + 250 sudokus difficult level that can be downloaded and printed. + 250 maze puzzles that can be downloaded and printed. 1 verified solution. All answers are at the end of the book. Exclusive puzzles. An excellent book for free time and mind exploration. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro 17x17 18x18 19x19 20x20 200 Calcudoku Sudoku Medium Levels written by Basford Holmes and published by Independently Published. This book was released on 2018-12-12 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Best fitness and energy for the brain.KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed.Calcudoku - this is a mathematical and logical puzzle. It is necessary to fill the grid with numbers so that in each line and in each column they are not repeated. The number in the corner of each selected block is the result of an arithmetic operation on the digits in this block. The numbers inside the block can be repeated. The puzzle can be called Square Wisdom, Kendoku.- unique puzzles+ 250 sudokus difficult level that can be downloaded and printed.+ 250 maze puzzles that can be downloaded and printed.- only 1 verified solution.- all answers are at the end of the book.- exclusive puzzles.- a link to the surprise is at the end of the book.An excellent book for free time and mind exploration.I hope you enjoy the book.Best regards, Basford Holme

Download or read book 200 Kakuro Sukrokuro 100 100 Number Cross Sudoku Puzzles Easy Medium Levels Holmes Presents a Collection of Puzzles of Light and Middle Level written by Basford Holmes and published by Original Classic Sudoku. This book was released on 2019-02-19 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Easy and medium training for the mind and energy for the brain. 200 KaKuro sudoku puzzle 8x8-9x9-12x12-16x16. 100 Su-Kro-Kuro sudoku puzzles 11x11 + 12x12. 100 Number Cross Sudoku - 25 puzzles 9x9, 25 puzzles 10x10 easy levels, 25 puzzles 11x11 and 25 puzzles 12x12 medium levels. Unique puzzles. Kakuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed. Su-Kro-Kuro puzzles. ("Sukrokuro" - the name of the puzzle is made up of parts of the words "Sudoku," "Kropki," and "Kakuro") combines elements of three puzzles: Sudoku, Sudoku-points, and Kakuro. The task is a square grid with white and black cells. It is necessary to fill white cells with numbers so that in each row and in each column each number from 1 to N would meet only once. In black cells, the upper right value is the sum of the numbers in the row, and the value from the bottom left is the sum of the column numbers below the cell. If the numbers in neighboring cells differ by one, then there is a point on the border between them. If there is no point between two adjacent cells, the numbers in these cells differ by more than one. Number Cross Sudoku. The number cross is a square grid with numbers. The solution is to shade some cells. The first row and the top row of numbers show the sum of the numbers in white cells in the corresponding row or column. + 250 sudokus difficult level that can be downloaded and printed. + 250 maze puzzles that can be downloaded and printed. Only 1 verified answer. All answers are at the end of the book. Puzzles are exclusive. An excellent book for free time and mind exploration. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro 14x14 15x15 17x17 18x18 and 200 Tridoku Medium Hard Levels Puzzles of Medium and Heavy Difficulty Sudoku Holmes Introduces Airbo written by Basford Holmes and published by Kakuro and Tridoku Classic Sud. This book was released on 2019-03-05 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nice puzzles to keep your mind in good shape. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed.Tridoku. The puzzle consists of nine large triangles. Each of them contains nine small triangles. Figures from 1 to 9 should be placed in the cells of each large triangle. The field contains additional lines, the cells of which must also contain non-repeating numbers. Two adjoining triangular cells should not contain the same numbers (even if the cells touch each other with only one point).50 Kakuro sudoku puzzles 14 x 14. 50 Kakuro sudoku puzzles 15 x 15. 50 Kakuro sudoku puzzles 17 x 17. 50 Kakuro sudoku puzzles 18 x 18. 100 Tridoku medium sudoku puzzles. 100 Tridoku hard sudoku puzzles. Unique puzzles. + 250 Sudoku expert level that can be downloaded and printed. + 250 maze puzzles that can be downloaded and printed. Only 1 verified solution. All answers are at the end of the book. Exclusive puzzles. A great book for free time and studying the mind. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro 12x12 13x13 14x14 15x15 200 Brickwalldoku Medium Levels Holmes Presents a Collection of Original Classic Sudoku for Superior Charg written by Basford Holmes and published by Kakuro and Brickwalldoku Class. This book was released on 2019-03-08 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Best fitness and energy for the brain. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed. BrickWallDoku. 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. Unique puzzles. + 250 sudokus difficult level that can be downloaded and printed. + 250 maze puzzles that can be downloaded and printed. Only 1 verified solution. All answers are at the end of the book. Exclusive puzzles. An excellent book for free time and mind exploration. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro Kakuro 12x15 14x16 15x17 16x18 200 Brickwalldoku Medium Hard Levels Holmes Is a Serious Sudoku Puzzle Book Sudoku Puzzle Game written by Basford Holmes and published by Kakuro and Brickwalldoku Class. This book was released on 2019-03-15 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: These are first-class sudoku puzzles for brain charging. KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed. BrickWallDoku. 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. Unique puzzles. + 250 sudokus difficult level that can be downloaded and printed. + 250 maze puzzles that can be downl0aded and printed. Only 1 verified solution. All answers are at the end of the book. Exclusive puzzles. An excellent book for free time and mind exploration. I hope you enjoy the book. Best regards, Basford Holmes

Download or read book 200 Kakuro 12x12 15x15 17x17 19x19 200 Calcudoku Sudoku written by Basford Holmes and published by Independently Published. This book was released on 2018-12-18 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amazing fitness and energy for the brain.KaKuro is a logical numerical puzzle, the mathematical equivalent of a crossword puzzle. In the cells it is necessary to place the numbers from 1 to 9, there are inactive cells (marked in black). In cells with given numerical values, the upper right value indicates the sum of the digits in the row, and the value from the lower left position is equal to the sum of the digits of the column below the cell. For example, the number 6 can be represented as a sum of 2 and 4 or 1 and 5; the same numbers (3 and 3) are not allowed.Calcudoku - this is a mathematical and logical puzzle. It is necessary to fill the grid with numbers so that in each line and in each column they are not repeated. The number in the corner of each selected block is the result of an arithmetic operation on the digits in this block. The numbers inside the block can be repeated. The puzzle can be called Square Wisdom, Kendoku.- unique puzzles+ 250 sudokus difficult level that can be downloaded and printed.+ 250 maze puzzles that can be downloaded and printed.- only 1 verified solution.- all answers are at the end of the book.- exclusive puzzles.- a link to the surprise is at the end of the book.An excellent book for free time and mind exploration.I hope you enjoy the book.Best regards, Basford Holme