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Book Pocket Puzzles Jigsaw Sudoku with Letters

Download or read book Pocket Puzzles Jigsaw Sudoku with Letters written by Aenigmatis and published by Independently Published. This book was released on 2019-04-20 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Jigsaw Sudoku with letters is similar to standard Sudoku, but instead of all the regions being a 3×3 grid of cells, the regions are all irregular shapes (just like in a Jigsaw puzzle) and instead of numbers, letters A, B, C, D, E, F, G, H and I are used.

Book Pocket Puzzles Jigsaw Sudoku

    Book Details:
  • Author : Aenigmatis
  • Publisher : Independently Published
  • Release : 2019-04-20
  • ISBN : 9781095142028
  • Pages : 106 pages

Download or read book Pocket Puzzles Jigsaw Sudoku written by Aenigmatis and published by Independently Published. This book was released on 2019-04-20 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Jigsaw Sudoku is similar to standard Sudoku, but instead of all the regions being a 3×3 grid of cells, the regions are all irregular shapes, just like in a Jigsaw puzzle.

Book Jigsaw Sudoku X Pocket Rocket  100 Easy Pocket Size Jigsaw Sudoku x Puzzles   Volume 5

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Easy Pocket Size Jigsaw Sudoku x Puzzles Volume 5 written by Christian Demarco and published by . This book was released on 2019-01-23 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Easy series of books do not require any advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Easy Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Not Required Ideal For Beginners Solutions Included

Book Letters and Words Sudoku

Download or read book Letters and Words Sudoku written by Brian Tordoff and published by Xlibris Corporation. This book was released on 2014-08-21 with total page 223 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new puzzle is like Sudoku that is used in many new books. But this one is different. It uses letters instead of numbers. It uses nine letters instead of nine numbers and the letters are not always the same. Each puzzle has a list of the nine letters that are being used in each puzzle. Just like the Sudoku puzzles there are nine groups of nine letters. There will be 2 parts for these puzzles. The first part is like the Sudoku puzzles. There will be a 9X9 table with some of the letters missing. This is just like the Sudoku puzzles, only it uses letters. This puzzle is still the same but it may use f t h b m g o e a, or, s m l g b y i o u. Generally, 6 consonants and 3 vowels are used, but there may be times when 7 consonants and 2 vowels, or 5 and 4 are being used. There is also a blank table which is 4 columns by 9 rows. That is the area in which you will record the second part. You have already figured out what all the letters are; now you get to see how many words you can find. This is Part 2. Part 2 is completely different from the Sudoku. This is where you go through your answers to part one and see how many words you can find. Some of the puzzles have as many at 15 words and some as many as 25 words. It is all dependent on the letters that are used. This is the part than can really be difficult. You will be going through the puzzle, after you have done the hard work of finding all the letters, and trying to find words. All words in the answers are at least 3 letters long.

Book Sudoku Letter Puzzle Books   Sudoku With Letters 4x4 and 6x6 Large Print

Download or read book Sudoku Letter Puzzle Books Sudoku With Letters 4x4 and 6x6 Large Print written by Panda Puzzle Book and published by . This book was released on 2019-06-18 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Feature: This book contains 100 sudoku letter puzzles Sudoku puzzles grid size in the book are 4 x 4 and 6 x 6 that are played with four letters A, B, C, D and six letters A, B, C, D, E, F Easy, medium and hard level sudoku letter Large Print Sudoku Letter Puzzles Books. Sudoku grids are large, very easy to read, and fill out. Large and Easy To Read Font An answer key for those sudoku puzzle are found after the puzzle pages, solving could be easy Puzzles are printed on high quality white paper, size 6 x 9 inches A simple instructions for you to teach your kid Sudoku puzzles are a proven method for enhancing logic skills and could advantage a kid in other areas such as math and science. This is the book that contains Sudoku with letter puzzles for children. All of the puzzles inside the book are With 2 grid sizes 4 x 4 and 6 x 6 Sudoku puzzles specifically designed for children. But Adults can also have fun with this puzzles. Sudoku rules are very easy: For sudoku grid size 4 x 4 each letter A, B, C, and D must appear only once in each row, column, and block. Complete this puzzle so that every row across, every column down and every 2 by 2 box contains the numbers A to D. For sudoku gird size 6 x 6 each letter A, B, C, D, E and F must appear only once in each row, column, and block. Complete this puzzle so that every row across, every column down and every box contains the letters A to F. Each row and each column have only one and exacly one of each of the letters A, B, C, D, E, F Sudoku trains your child logical thinking and also common sense skills, even at a early age. Sudoku improves critical thinking and creating fast decisions based on facts. Sudoku is a brain game that can help to practice the brain of your child. Additionally, Sudoku needs attention to detail - observing patterns, recognizing possibilities, and also choosing the best moment to make a move. Sudoku is not just fun and fascinating - it could simply help prepare your children for much better success at school and in daily life. If you'd like to boost the performance of your children's brain and Enhance the effectiveness of your children's brain function. You should use this sudoku puzzle book. Choose your book today by clicking on the BUY NOW button at the top of this page.

Book Jigsaw Sudoku X Pocket Rocket  100 Easy Pocket Size Jigsaw Sudoku x Puzzles   Volume 4

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Easy Pocket Size Jigsaw Sudoku x Puzzles Volume 4 written by Christian Demarco and published by . This book was released on 2019-01-23 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Easy series of books do not require any advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Easy Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Not Required Ideal For Beginners Solutions Included

Book Jigsaw Sudoku X Pocket Rocket  100 Easy Pocket Size Jigsaw Sudoku x Puzzles   Volume 1

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Easy Pocket Size Jigsaw Sudoku x Puzzles Volume 1 written by Christian Demarco and published by . This book was released on 2019-01-22 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Easy series of books do not require any advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Easy Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Not Required Ideal For Beginners Solutions Included

Book Jigsaw Sudoku X Pocket Rocket  100 Medium Pocket Size Jigsaw Sudoku x Puzzles   Volume 4

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Medium Pocket Size Jigsaw Sudoku x Puzzles Volume 4 written by Christian Demarco and published by . This book was released on 2019-01-28 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Medium series of books do not require any advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Medium Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Not Required Ideal For Intermediate Solvers Solutions Included

Book Jigsaw Sudoku X Pocket Rocket  100 Medium Pocket Size Jigsaw Sudoku x Puzzles   Volume 1

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Medium Pocket Size Jigsaw Sudoku x Puzzles Volume 1 written by Christian Demarco and published by . This book was released on 2019-01-23 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Medium series of books do not require any advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Medium Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Not Required Ideal For Intermediate Solvers Solutions Included

Book Jigsaw Sudoku X Pocket Rocket  100 Easy Pocket Size Jigsaw Sudoku x Puzzles   Volume 3

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Easy Pocket Size Jigsaw Sudoku x Puzzles Volume 3 written by Christian Demarco and published by . This book was released on 2019-01-23 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Easy series of books do not require any advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Easy Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Not Required Ideal For Beginners Solutions Included

Book Jigsaw Sudoku X Pocket Rocket  100 Medium Pocket Size Jigsaw Sudoku x Puzzles   Volume 2

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Medium Pocket Size Jigsaw Sudoku x Puzzles Volume 2 written by Christian Demarco and published by . This book was released on 2019-01-28 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Medium series of books do not require any advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Medium Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Not Required Ideal For Intermediate Solvers Solutions Included

Book Pocket Posh Wonderword

Download or read book Pocket Posh Wonderword written by The Puzzle Society and published by Andrews McMeel Publishing. This book was released on 2011-10-04 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: NEW puzzle type for Pocket Posh package! WONDERWORD is the most challenging of all word searches; each puzzle is built manually without computer-assisted shortcuts. This is the first time WONDERWORD has been published in the 3-million-selling Pocket Posh® series! Wonderword, the word search puzzle that has a grid of letters containing hidden theme words and a mystery answer, has been given the Pocket Posh treatment with Pocket Posh Wonderword.

Book Jigsaw Sudoku X Pocket Rocket  100 Medium Pocket Size Jigsaw Sudoku x Puzzles   Volume 3

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Medium Pocket Size Jigsaw Sudoku x Puzzles Volume 3 written by Christian Demarco and published by . This book was released on 2019-01-28 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Medium series of books do not require any advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Medium Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Not Required Ideal For Intermediate Solvers Solutions Included

Book Jigsaw Sudoku X Pocket Rocket  100 Hard Pocket Size Jigsaw Sudoku x Puzzles   Volume 2

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Hard Pocket Size Jigsaw Sudoku x Puzzles Volume 2 written by Christian Demarco and published by . This book was released on 2019-01-29 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Hard series of books do require advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Hard Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Required Ideal For Advanced Solvers Solutions Included

Book Jigsaw Sudoku X Pocket Rocket  100 Hard Pocket Size Jigsaw Sudoku x Puzzles   Volume 4

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Hard Pocket Size Jigsaw Sudoku x Puzzles Volume 4 written by Christian Demarco and published by . This book was released on 2019-02 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Hard series of books do require advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Hard Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Required Ideal For Advanced Solvers Solutions Included

Book Pocket Posh Word Clue Sudoku

Download or read book Pocket Posh Word Clue Sudoku written by The Puzzle The Puzzle Society and published by . This book was released on 2015-01-27 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: We've all tried sudoku with numbers. But what about sudoku with words? Now you can boost your word power and test your skills of logic, with these tricky teasers designed to stretch your brain to the limit. Solve the crossword-style clues to find the hidden word or short phrase, then use the letters to complete the sudoku grid. It's an all-round mental workout! With three levels of difficulty to try, your puzzling skills will really be put through their paces with WORD-CLUE SUDOKU.

Book Jigsaw Sudoku X Pocket Rocket  100 Hard Pocket Size Jigsaw Sudoku x Puzzles   Volume 1

Download or read book Jigsaw Sudoku X Pocket Rocket 100 Hard Pocket Size Jigsaw Sudoku x Puzzles Volume 1 written by Christian Demarco and published by . This book was released on 2019-01-29 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt: Get ready to Blast-off into the world of Pocket Size Jigsaw Sudoku-x Puzzles. With a book size of only 4 x 6 inches and 1 puzzle per page, the Jigsaw Sudoku-x Pocket Rocket Book can be taken with you wherever you go. The Jigsaw Sudoku-x Puzzles in the Hard series of books do require advanced solving techniques. The Pocket Rocket series is available in; Sudoku, Jigsaw Sudoku, Sudoku X and Jigsaw Sudoku-x. In my classic Jigsaw Sudoku-x puzzles, the grid is 9 cells wide and 9 cells deep. The lines of squares running horizontally are called rows, and the lines running vertically are called columns. The grid is further divided by thicker lines into irregular shapes that all contain 9 cells. However, in Jigsaw Sudoku-X puzzles there is one other element that can be used to determine the correct numbers, and that is the two diagonal lines of shaded squares that run from corner to corner. The aim of the puzzle is to fill the blank cells with the correct numbers. Each row, column, irregular shape and both shaded diagonals must end up containing all of the numbers from 1 to 9. Each number can only appear once in any row, column, irregular shape and shaded diagonal. 100 Hard Jigsaw Sudoku-x Puzzles Handy & Portable 4 x 6 inch Book Layout Easy to read (1 Puzzle per Page) Advanced Solving Techniques Required Ideal For Advanced Solvers Solutions Included