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Sudoku (also known as "Number Place") is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution. Gattai-3 consists of three grids 9 x 9.

Tapa is a logic puzzle. The goal is to blacken some cells of the grid. All the black cells form one contiguous region. No 2 x 2 cell area within the grid can contain all black cells. Clue cells with numbers may not be filled in and tell the length of each consecutive black cell block in the eight surrounding cells. If there's more than one digit in a cell, the groups of black cells have to be separated by at least one white cell. Question marks can be used instead of clue numbers. Each question mark can represent any nonzero integer.

Tapa is a logic puzzle. The goal is to blacken some cells of the grid. All the black cells form one contiguous region. No 2 x 2 cell area within the grid can contain all black cells. Clue cells with numbers may not be filled in and tell the length of each consecutive black cell block in the eight surrounding cells. If there's more than one digit in a cell, the groups of black cells have to be separated by at least one white cell. Question marks can be used instead of clue numbers. Each question mark can represent any nonzero integer.

Battleship (also known as "Bimaru", "Yubotu", "Solitaire Battleships" and "Battleship Solitaire") is a logic puzzle based on the Battleship guessing game. Each ship occupies a number of contiguous squares on the grid, arranged horizontally or vertically.The boats are placed so that no boat touches any other boat, not even diagonally.Numbers alongside the grid indicate how many squares in a row or column are occupied by part of a ship. In Battleship, an armada of battleships is hidden in a square grid of 14x14 small squares. The armada includes 1 battleship five squares long, 2 battleship four squares long, 2 cruisers three squares long, 3 destroyers two squares long, and 4 submarines one square in size. Sometimes, some of the fragments of the ships are already open as a hint. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for both Beginners and Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku (also known as "Number Place") is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution. Gattai-3 consists of three grids 9 x 9.

Tapa is a logic puzzle. The goal is to blacken some cells of the grid. All the black cells form one contiguous region. No 2 x 2 cell area within the grid can contain all black cells. Clue cells with numbers may not be filled in and tell the length of each consecutive black cell block in the eight surrounding cells. If there's more than one digit in a cell, the groups of black cells have to be separated by at least one white cell. Question marks can be used instead of clue numbers. Each question mark can represent any nonzero integer.

Sudoku (also known as "Number Place") is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution. Gattai-3 consists of three grids 9 x 9.

Sudoku (also known as "Number Place") is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids that compose the grid (also called "boxes", "blocks", or "regions") contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which for a well-posed puzzle has a single solution. Gattai-3 consists of three grids 9 x 9.

Suguru (also known as "Number Blocks") is a logic puzzle that has simple rules, but which provides sufficient challenges to satisfy the most enthusiastic solvers!The task consists of a rectangular or square grid divided into regions.Each region must be filled with each of the digits from 1 to the number of cells in the region.Cells with the same digits must not be orthogonally or diagonally adjacent.Even though the rules are simple, you will need all your skills to solve it. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Suguru (also known as "Number Blocks") is a logic puzzle that has simple rules, but which provides sufficient challenges to satisfy the most enthusiastic solvers!The task consists of a rectangular or square grid divided into regions.Each region must be filled with each of the digits from 1 to the number of cells in the region.Cells with the same digits must not be orthogonally or diagonally adjacent.Even though the rules are simple, you will need all your skills to solve it. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku Greater Than Jigsaw (also called "Compdoku Jigsaw") is the variation of the original Sudoku. In addition, greater than or less than signs (">" or "3x3 grid they are nine Jigsaw shapes. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku Greater Than Jigsaw (also called "Compdoku Jigsaw") is the variation of the original Sudoku. In addition, greater than or less than signs (">" or "3x3 grid they are nine Jigsaw shapes. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Futoshiki (from Japanese, literally "not equal"; also known as "Hutoshiki", "Unequal") is a logic puzzle. The puzzle is played on a square grid, such as 9 x 9. The objective is to place the numbers 1 to 9 (or whatever the dimensions are) such that each row, and column contains each of the digits 1 to 9. Some digits may be given at the start. In addition, inequality constraints are also initially specified between some of the squares, such that one must be higher or lower than its neighbour. These constraints must be honoured as the grid is filled out. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku Greater Than Jigsaw (also called "Compdoku Jigsaw") is the variation of the original Sudoku. In addition, greater than or less than signs (">" or "3x3 grid they are nine Jigsaw shapes. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku Jigsaw (also known as "Irregular", "Nonomino" or "Geometric Sudoku") is a logic-based, combinatorial number-placement puzzle. Jigsaw Sudokus are very similar to regular Sudoku puzzles. Regular 12x12 Sudoku that row and column rules apply, but instead of a 4x3 grid they are twelve Jigsaw shapes.Each row, column and jigsaw shape contains all of the digits 1 through 12. In all other respects the puzzle works in the same way, but this change in the region shapes introduces new twists into the logic required to solve the puzzle - and often makes it much harder for you to find the next move as a result! Every Jigsaw Sudoku puzzle only ever has one possible solution, and it can always be reached via reasonable logical deduction. In other words, guessing is never required. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku Jigsaw (also known as "Irregular", "Nonomino" or "Geometric Sudoku") is a logic-based, combinatorial number-placement puzzle. Jigsaw Sudoku are very similar to regular Sudoku puzzles, but instead of 3x3 blocks, they are divided into irregular jigsaw-like shapes. Each row, column and jigsaw shape contains all of the digits 1 through 9. In all other respects the puzzle works in the same way, but this change in the region shapes introduces new twists into the logic required to solve the puzzle - and often makes it much harder for you to find the next move as a result! Every Jigsaw Sudoku puzzle only ever has one possible solution, and it can always be reached via reasonable logical deduction. In other words, guessing is never required. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for both Beginners and Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Straights is a logic puzzle. It is a grid, partially divided by black cells into compartments. Each compartment, vertically or horizontally, must contain a straight - a set of consecutive numbers, but in any order (for example: 2-1-3-4). The aim is to fill all white cells with the numbers from 1 to N (where N is the size of the grid). No single number can repeat in any row or column. Clues in black cells remove that number as an option in that row and column, and are not part of any straight. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Suguru (also known as "Number Blocks") is a logic puzzle that has simple rules, but which provides sufficient challenges to satisfy the most enthusiastic solvers!The task consists of a rectangular or square grid divided into regions.Each region must be filled with each of the digits from 1 to the number of cells in the region.Cells with the same digits must not be orthogonally or diagonally adjacent.Even though the rules are simple, you will need all your skills to solve it. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Sudoku X (also called Diagonal Sudoku. Each puzzle consists of a 9x9 grid containing given clues in various places. The object is to fill all empty squares so that the numbers 1 to 9 appear exactly once in each row, column, diagonal and 3x3 box. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for both Beginners and Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Suguru (also known as "Number Blocks") is a logic puzzle that has simple rules, but which provides sufficient challenges to satisfy the most enthusiastic solvers!The task consists of a rectangular or square grid divided into regions.Each region must be filled with each of the digits from 1 to the number of cells in the region.Cells with the same digits must not be orthogonally or diagonally adjacent.Even though the rules are simple, you will need all your skills to solve it. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Battleship (also known as "Bimaru", "Yubotu", "Solitaire Battleships" and "Battleship Solitaire") is a logic puzzle based on the Battleship guessing game. Each ship occupies a number of contiguous squares on the grid, arranged horizontally or vertically.The boats are placed so that no boat touches any other boat, not even diagonally.Numbers alongside the grid indicate how many squares in a row or column are occupied by part of a ship. In Battleship, an armada of battleships is hidden in a square grid of 8x8 small squares. The armada includes 2 battleship four squares long, 2 cruisers three squares long, 3 destroyers two squares long, and 4 submarines one square in size. Sometimes, some of the fragments of the ships are already open as a hint. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Patchwork (also known as "Tatami") consists of a square grid divided into regions ("rooms").Each room must be filled with each of the digits from 1 to the number of cells in the room.Every row and every column must contain the same amount of each digit.Same digits must not be orthogonally adjacent. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Suguru (also known as "Number Blocks") is a logic puzzle that has simple rules, but which provides sufficient challenges to satisfy the most enthusiastic solvers!The task consists of a rectangular or square grid divided into regions.Each region must be filled with each of the digits from 1 to the number of cells in the region.Cells with the same digits must not be orthogonally or diagonally adjacent.Even though the rules are simple, you will need all your skills to solve it. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Battleship (also known as "Bimaru", "Yubotu", "Solitaire Battleships" and "Battleship Solitaire") is a logic puzzle based on the Battleship guessing game. Each ship occupies a number of contiguous squares on the grid, arranged horizontally or vertically.The boats are placed so that no boat touches any other boat, not even diagonally.Numbers alongside the grid indicate how many squares in a row or column are occupied by part of a ship. In Battleship, an armada of battleships is hidden in a square grid of 8x8 small squares. The armada includes 2 battleship four squares long, 2 cruisers three squares long, 3 destroyers two squares long, and 4 submarines one square in size. Sometimes, some of the fragments of the ships are already open as a hint. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for both Beginners and Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Chain Sudoku (also known as "Strimko") consists of a group of circles arranged in a square grid and containing given clues in various places. The object is to fill all empty circles so that the digits appear exactly once in each row, column and chain. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Chain Sudoku (also known as "Strimko") consists of a group of circles arranged in a square grid and containing given clues in various places. The object is to fill all empty circles so that the digits appear exactly once in each row, column and chain. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Beginners In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Hidoku (from Hebrew: "my puzzle") is a logical puzzle.The goal of Hidoku is to fill the grid with consecutive numbers that connect horizontally, vertically, or diagonally. In every Hidoku puzzle the smallest and the highest number are presented in the grid. There are more numbers on the board to help to direct the player how to start the solution and to ensure that Hidoku has only a single solution. Hidoku puzzles are similar to Numbrix. The most important difference is that diagonal moves are allowed. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Chain Sudoku (also known as "Strimko") consists of a group of circles arranged in a square grid and containing given clues in various places. The object is to fill all empty circles so that the digits appear exactly once in each row, column and chain. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Samurai Sudoku - kind of Sudoku puzzles. The playing field consists of five squares measuring 9 x 9. The numbers 1 to 9 must be placed correctly in all five squares. Place 1 to 9 once each into every row.Place 1 to 9 once each into every column.Place 1 to 9 once each into every bold-lined 3x3 box. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 1 Puzzles per Page- Ideal for both Beginners and Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.

Patchwork (also known as "Tatami") consists of a square grid divided into regions ("rooms"). Each room must be filled with each of the digits from 1 to the number of cells in the room. Every row and every column must contain the same amount of each digit. Same digits must not be orthogonally adjacent. The puzzle book contain: - 200 Puzzles- Handy 6 x 9 inch Book Layout- 2 Puzzles per Page- Ideal for Experts In the book you will find a description and examples of solutions for all puzzles.The book is for those who like logic and math problems. Decide, developing and improving.