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Book Classic Puzzles and Brainteasers  Killer Sudoku 12x12 Puzzles   The Best Stress Relief Puzzles

Download or read book Classic Puzzles and Brainteasers Killer Sudoku 12x12 Puzzles The Best Stress Relief Puzzles written by Rebecca Howell and published by Independently Published. This book was released on 2018-08-31 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Killer Sudoku, sub-regions have specified sums, and no number can be repeated within a region. This variant also called "Sums Sudoku," "Sums Number Place," "Samunamupure," "Kikagaku Nampure." The goal is to fill in the empty cells, one number in each, so that each column, row and region contains the numbers 1 through 12 exactly once. puzzle games for adults - puzzle game for adults - puzzle game book - puzzle game adult - puzzle game brain teaser - puzzle game gift - jigsaw puzzle games - logic game book - logic game puzzles - logic games for adults - math games - math game adult - math game books - brain games - brain games for adults - brain game books - brain game puzzles - brain game adults - brain game books for seniors - brain game for adult - brain game large print

Book Sudoku 12x12 Puzzles For Adults

Download or read book Sudoku 12x12 Puzzles For Adults written by Suzanna Tahlia and published by Independently Published. This book was released on 2024-02-20 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: ★ Super Su Doku Delights: Mind-Bending Sudoku 12x12 Puzzles for Adults ★ What's a Sudoku 12x12 Puzzle? Sudoku enthusiasts often use the terms Super Sudoku or Alphadoku for the 12x12 puzzle variant. Despite its larger grid, solving this version adheres to the same principles as the classic 9x9 Sudoku puzzle. However, in the "Number & Letter Edition" of the 12x12 Sudoku, instead of using only the digits 1 to 9, a combination of numbers and letters, including 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, is employed. Conversely, in the "Only Number Edition," the puzzle utilizes numbers 1 through 12, without incorporating any letters. Why Choose Our "Sudoku 12x12 Puzzle Book"? Clear Guidance: Whether you're a beginner or an expert, our book provides simple instructions to get you started on your Sudoku adventure. Appropriate Complexity: Each puzzle in our Sudoku 12x12 Puzzle Book is meticulously crafted to ensure an appropriate difficulty level. Enjoy a satisfying challenge with puzzles that are just perfect for your skill level! Cognitive Boost: Sudoku puzzles not only entertain but also sharpen your focus and problem-solving skills, giving your brain a healthy workout. Abundance of Puzzles: There's always a new puzzle waiting to be solved. Get ready for hours of immersive fun! Thoughtfully Designed Grids: Professionally crafted grids ensure readability and ease of solving, making your puzzle-solving experience enjoyable. Anywhere, Anytime Entertainment: No matter where you go, do not miss the excitement of solving sudoku puzzles! Perfect for breaks, travel, or leisurely moments, our book provides versatile companionship for relaxation and mental stimulation. Answers Included: Stuck on a puzzle? Fear not! Our book includes solutions to guide you through the trickier challenges, enhancing your solving experience. Perfect Gift: Surprise puzzle enthusiasts with this engaging book, offering hours of brain-teasing enjoyment for friends and family alike. Only New and Unique Puzzles: With every grid, unique and carefully chosen puzzles ensure an original and engaging experience. Inside this book, you'll find: 200 Sudoku puzzles with appropriate difficulty level. 2 Large-sized puzzles per page for continuous engagement. Each puzzle has a unique solution, thoroughly tested before publishing. 20 solutions per page for reference and progress tracking. Compact yet readable solutions to keep the page count low. Hours of stimulating entertainment. Ideal gift for lovers of logic puzzles. High-quality white paper sheet, paperback, excellent binding. Great for pencil or ink. Grab a copy of the "12x12 Grid Sudoku Puzzle Book" today and treat your brain to a delightful workout! Explore your reasoning skills, have fun, and experience the satisfaction of solving these amazing puzzles. Would you like to see more puzzle books with front and back covers that are artistically designed and puzzles that are expertly made? Click on our brand name or the author's name to view thousands of puzzle books beloved by countless puzzle enthusiasts!

Book Killer Sudoku 12x12   Hard

Download or read book Killer Sudoku 12x12 Hard written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-09 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku is a fun and addicting logic puzzle game that combines Sudoku with an addition math game. Killer Sudoku is a fun way for kids and adults to practice addition facts. In this book, you do not need to wade through tons of easy Killer Sudoku 12x12 puzzles before getting to the real brain teasers. Once you pick up this book, you won't be able to put it back down. You have been warned! Killer Sudoku 12x12 - Hard is a collection of 276 puzzles: 216 hard Killer Sudoku 12x12 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Killer Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other PuzzleBooks.net books. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Book Sudoku 12x12 Puzzles For Adults

Download or read book Sudoku 12x12 Puzzles For Adults written by Suzanna Tahlia and published by Independently Published. This book was released on 2024-02-21 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: ★ Super Su Doku Delights: Mind-Bending Sudoku 12x12 Puzzles for Adults ★ What's a Sudoku 12x12 Puzzle? Sudoku enthusiasts often use the terms Super Sudoku or Alphadoku for the 12x12 puzzle variant. Despite its larger grid, solving this version adheres to the same principles as the classic 9x9 Sudoku puzzle. However, in the "Number & Letter Edition" of the 12x12 Sudoku, instead of using only the digits 1 to 9, a combination of numbers and letters, including 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, is employed. Conversely, in the "Only Number Edition," the puzzle utilizes numbers 1 through 12, without incorporating any letters. Why Choose Our "Sudoku 12x12 Puzzle Book"? Clear Guidance: Whether you're a beginner or an expert, our book provides simple instructions to get you started on your Sudoku adventure. Appropriate Complexity: Each puzzle in our Sudoku 12x12 Puzzle Book is meticulously crafted to ensure an appropriate difficulty level. Enjoy a satisfying challenge with puzzles that are just perfect for your skill level! Cognitive Boost: Sudoku puzzles not only entertain but also sharpen your focus and problem-solving skills, giving your brain a healthy workout. Abundance of Puzzles: There's always a new puzzle waiting to be solved. Get ready for hours of immersive fun! Thoughtfully Designed Grids: Professionally crafted grids ensure readability and ease of solving, making your puzzle-solving experience enjoyable. Anywhere, Anytime Entertainment: No matter where you go, do not miss the excitement of solving sudoku puzzles! Perfect for breaks, travel, or leisurely moments, our book provides versatile companionship for relaxation and mental stimulation. Answers Included: Stuck on a puzzle? Fear not! Our book includes solutions to guide you through the trickier challenges, enhancing your solving experience. Perfect Gift: Surprise puzzle enthusiasts with this engaging book, offering hours of brain-teasing enjoyment for friends and family alike. Only New and Unique Puzzles: With every grid, unique and carefully chosen puzzles ensure an original and engaging experience. Inside this book, you'll find: 200 Sudoku puzzles with appropriate difficulty level. 2 Large-sized puzzles per page for continuous engagement. Each puzzle has a unique solution, thoroughly tested before publishing. 20 solutions per page for reference and progress tracking. Compact yet readable solutions to keep the page count low. Hours of stimulating entertainment. Ideal gift for lovers of logic puzzles. High-quality white paper sheet, paperback, excellent binding. Great for pencil or ink. Grab a copy of the "12x12 Grid Sudoku Puzzle Book" today and treat your brain to a delightful workout! Explore your reasoning skills, have fun, and experience the satisfaction of solving these amazing puzzles. Would you like to see more puzzle books with front and back covers that are artistically designed and puzzles that are expertly made? Click on our brand name or the author's name to view thousands of puzzle books beloved by countless puzzle enthusiasts!

Book   lassic 400   Killer Sudoku 12 X 12

Download or read book lassic 400 Killer Sudoku 12 X 12 written by Basford Holmes and published by . This book was released on 2018-10-21 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku puzzles with the names: "Sums Sudoku", "Sums Number Place", "Samunamupure", "Kikagaku Nampure", "Sumdoku". 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. The sum of all the numbers in the cage must correspond to the number printed in the corner. Latin square in action. Sharpen your pencils and get ready for a digital attack. 100 sudoku puzzles easy levels. 100 sudoku puzzles medium levels. 100 sudoku puzzles hard levels. 100 sudoku puzzles very hard levels. + 250 sudokus difficult level that can be downloaded and printed. + 250 maze puzzles that can be downloaded and printed. Unique puzzles. 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

Book Classic Sudoku 12x12   Anti diagonal   250 Puzzles Bronze silver gold

Download or read book Classic Sudoku 12x12 Anti diagonal 250 Puzzles Bronze silver gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03-27 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 exciting sudoku puzzle. Levels go on increasing. You can start with a bronze medalist, this is the first 80 puzzles. You can go to the champion, the gold prize - 90 extreme Sudoku. Silver puzzles are in the middle of the book. 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 internal edges allow you to record solutions. 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. In Sudoku Anti Diagonal each diagonal of the square contains no more than three different digits.An excellent book for free time and mind training.A great book for relaxing in your spare time. There are 148 pages. The format is 8,5 '' x 11 ''. 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 Brain Teaser Puzzles   12x12 Sudoku Books For Adults

Download or read book Brain Teaser Puzzles 12x12 Sudoku Books For Adults written by Panda Puzzle Book and published by . This book was released on 2019-12-12 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Features: 150 Sudoku 12x12 Normal To Hard level. Sudoku puzzles grid size in the book are 12x12 that are played with 12 numbers All puzzles come complete with solutions Puzzles are printed on high quality white paper, size 8,5 x 11 inches Two puzzles per page Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku everyday, you'll soon begin to see improvements within your concentration and overall brain power. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking and memory. Choose this book today by clicking on the BUY NOW button at the top of this page.

Book Classic Sudoku 12x12   X Diagonal   250 Puzzles Bronze silver gold

Download or read book Classic Sudoku 12x12 X Diagonal 250 Puzzles Bronze silver gold written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-03-27 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: 250 exciting sudoku puzzle. Levels go on increasing. You can start with a bronze medalist, this is the first 80 puzzles. You can go to the champion, the gold prize - 90 extreme Sudoku. Silver puzzles are in the middle of the book. 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 internal edges allow you to record solutions. 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. In this puzzle, the digits from 1 to 12 should not be repeated in the central diagonals.An excellent book for free time and mind training.A great book for relaxing in your spare time. There are 148 pages. The format is 8,5 '' x 11 ''. 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 Classic Sudoku 12X12 Puzzle Book

Download or read book Classic Sudoku 12X12 Puzzle Book written by Viral Patel and published by . This book was released on 2021-05-25 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Sudoku 12X12 Puzzle Book Contains 100 Puzzles with Solutions. 12X12 Sudoku Puzzles are a type of very addicting Sudoku Variant. We are Sure that you will love this Sudoku Variation. Book Size Dimensions : 7.50"X9.25" No. of Puzzles : 100 Sudoku 12X12 Puzzles Difficulty Level : Sudoku 12X12 Easy Medium Hard Suitable for : Sudoku Puzzle Book Variety Suitable for Elderly, Inmates, Moms, Old People, Seniors, Young Adults, Teens and Teenagers Speciality : Sudoku One Puzzle per Page (So, it becomes very comfortable for the Sudoku Expert to focus on just one puzzle at a time while playing sudoku, Clutter Free Sudoku Solving Experience that our customers will definitely enjoy). Sudoku Type : Sudoku 12X12 (The structure of Sudoku 12X12 is such that solving becomes Sudoku Challenging. For Example of how this sudoku looks and how to solve hard Sudoku 12X12, please have a look at our Sudoku Puzzle Book Pages). If you are searching for Games Like Sudoku, Sudoku Variations, Puzzles Like Sudoku, Sudoku Like Puzzles, Sudoku Puzzle Book for Adults Easy to Medium to Hard, Sudoku and Other Puzzles, Sudoku to Go, Sudoku Book Large Print Easy to Hard, Sudoku Magazine Subscription, Sudoku Impossible and Sudoku Puzzle Book Set for Adults, then this Book is definitely for you. If you are looking for Sudoku for Moms, Sudoku for Seniors, Sudoku for Elderly, Sudoku for Adults Easy, Sudoku for Old People, Sudoku Activity Book for Adults, Sudoku for Inmates, Sudoku for Prisoners, Sudoku Puzzle Book for Teenager or Sudoku Puzzle Books for Teens, then you will surely love this book. If you are in search of Sudoku Difficult Large Print, Sudoku Expert Level, Sudoku Hard Large Print, Sudoku Extremely Hard, Sudoku Book Hard to Expert, Very Hard Sudoku, Sudoku Hardest for Adults, Hardest Sudoku Puzzle, Medium Sudoku Puzzle, Sudoku Difficult Level, Extreme Sudoku and Sudoku 12X12 Puzzle Book, then you will definitely like this book. Benefits of Playing Sudoku Puzzle Games: Sudoku boosts logical thinking. Playing Sudoku improves memory & recall. Playing Sudoku is proven to slow down the negative impact of Alzheimer's disease and Dementia. (However, Playing Sudoku should NOT be considered as a Medical Treatment Alternative. Sudoku is just a form of mental/brain exercise and NOT a treatment.) Sudoku helps to develop quick-thinking skills. Playing Sudoku helps to improve concentration. Puzzles like Sudoku help reduce anxiety & stress. Sudoku is a great way to develop a child's problem-solving skills. Sudoku promotes a healthy mindset.

Book Puzzles for Brain   Killer Sudoku Book 200 Hard to Expert Puzzles 12x12  volume 30

Download or read book Puzzles for Brain Killer Sudoku Book 200 Hard to Expert Puzzles 12x12 volume 30 written by Alexander Rodriguez and published by . This book was released on 2020-12-10 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular sudoku: fill every row, column and 3x4 region with the numbers 1-12 once. The difference is how you arrive at those numbers. The objective is to fill the grid with numbers from 1 to 12 in a way that the following conditions are met: Each row, column, and nonet contains each number exactly once. The sum of all numbers in a cage must match the small number printed in its corner. No number appears more than once in a cage. (This is the standard rule for killer sudokus, and implies that no cage can include more than 12 cells.)

Book Large Print Super Sudoku 12x12

    Book Details:
  • Author : Clarity Media
  • Publisher : Createspace Independent Publishing Platform
  • Release : 2016-08-31
  • ISBN : 9781537408798
  • Pages : 120 pages

Download or read book Large Print Super Sudoku 12x12 written by Clarity Media and published by Createspace Independent Publishing Platform. This book was released on 2016-08-31 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt: Welcome to our large print book of Super Sudoku 12x12! This book features our best collection of super sudoku puzzles in large print font size. If you enjoy classic sudoku or other variants, but struggle to clearly see the numbers in the grid then this is the book for you! We have created the grids with a huge font size of 30pt! We are sure you'll enjoy the format in which these classic puzzles are presented. The rules are simple; Place numbers 1-12 once in each row, column and 4x3 bold-lined box. Solutions are featured towards the back so if you need a helping hand along the way, take a peek there! For other puzzle books, visit www.puzzle-book.co.uk

Book Sudoku of the Highest Brand   Classic Killer Puzzles 12 X 12   BONUS

Download or read book Sudoku of the Highest Brand Classic Killer Puzzles 12 X 12 BONUS written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-09-02 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: - 250 amusing Easy Killer 12x12 puzzles + surprise in 250 Classic Sudoku "X" Diagonal puzzle - very hard levels (need to download and print)- all riddles have only one verified solution- 2 puzzles on 1 page, very practical and convenient- a lot of free space for the progress of your thoughts- good mind support in the excellent form- large font- develops memory, logical thinking, helps to focus- creative possibilities are expandingIdeal gift for all fans of puzzles. An excellent book for free time and learning of the mind. I hope you enjoy the book. I would be very grateful if you write a review.Best regards, Andrii Pitenk

Book Killer Sudoku 12x12   Medium

Download or read book Killer Sudoku 12x12 Medium written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-09 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku is a fun and addicting logic puzzle game that combines Sudoku with an addition math game. Killer Sudoku is a fun way for kids and adults to practice addition facts. This book is ideal if you already know how to solve Killer Sudoku 12x12 puzzles but find our hard Killer Sudoku puzzles too difficult. Once you pick up this book, you won't be able to put it back down. You have been warned! The goal of Killer Sudoku is to fill in the empty cells, one numbe in each, so that each column, row, and region contains each number exactly once. The sum of all numbers in a cage (indicated by the dashed lines) must match the small number printed in its corner. No number can be repeated within a cage. Killer Sudoku 12x12 - Medium is a collection of 276 puzzles: 216 medium Killer Sudoku 12x12 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Killer Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other PuzzleBooks.net books. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Book Killer Sudoku 12x12   Easy to Hard

Download or read book Killer Sudoku 12x12 Easy to Hard written by Nick Snels and published by Createspace Independent Publishing Platform. This book was released on 2014-10-09 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: Become a master in solving Killer Sudoku 12x12. After solving all the puzzles in this book, you will be a Killer Sudoku Pro. You start with easy Killer Sudoku puzzles and you gradually build your way up to extremely hard Killer Sudoku puzzles. The goal of Killer Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once. The sum of all numbers in a cage (indicated by the dashed lines) must match the small number printed in its corner. No number can be repeated within a cage. Killer Sudoku 12x12 - Easy to Hard is a collection of 276 puzzles: 72 easy Killer Sudoku 12x12 puzzles 72 medium Killer Sudoku 12x12 puzzles 72 hard Killer Sudoku 12x12 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Killer Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other PuzzleBooks.net books. Killer Sudoku is also known as Sums Sudoku, Sumdoku, Sum Doku, Addoku, Killer Su Doku, Samunamupure, Kikagaku Nampure, Samu Nanpure, Sums Number Place.

Book Puzzles for Brain   Mega Killer Sudoku 200 Expert Puzzles 12x12

Download or read book Puzzles for Brain Mega Killer Sudoku 200 Expert Puzzles 12x12 written by Alexander Rodriguez and published by Independently Published. This book was released on 2019-04-22 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular sudoku: fill every row, column and 3x4 region with the numbers 1-12 once. The objective is to fill the grid with numbers from 1 to 12 in a way that the following conditions are met: Each row, column, and nonet contains each number exactly once. The sum of all numbers in a cage must match the small number printed in its corner. No number appears more than once in a cage.

Book Classic Sudoku 12 X 12 and His 200 Friends   X Diagonal   Very Hard

Download or read book Classic Sudoku 12 X 12 and His 200 Friends X Diagonal Very Hard written by Andrii Pitenko and published by Createspace Independent Publishing Platform. This book was released on 2018-06-05 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt: - 250 exciting puzzles - Classic Sudoku 12 x 12"X" Diagonal Very hard + Killer Sudoku 12 x 12 "X" Diagonal Very hard + CenCenDoku 9 x 9 Very hard + Hidoku-doku 12 x 12 Very hard + Numbriks 12 x 12.- the very 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. An excellent book for free time pastime and mind training. 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 Puzzles for Brain   Killer Sudoku Book 200 Easy to Medium Puzzles 12x12  volume 29

Download or read book Puzzles for Brain Killer Sudoku Book 200 Easy to Medium Puzzles 12x12 volume 29 written by Alexander Rodriguez and published by . This book was released on 2020-12-10 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Killer Sudoku is a mix of Sudoku and Kakuro. Your goal is the same as in regular sudoku: fill every row, column and 3x4 region with the numbers 1-12 once. The difference is how you arrive at those numbers. The objective is to fill the grid with numbers from 1 to 12 in a way that the following conditions are met: Each row, column, and nonet contains each number exactly once. The sum of all numbers in a cage must match the small number printed in its corner. No number appears more than once in a cage. (This is the standard rule for killer sudokus, and implies that no cage can include more than 12 cells.)