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| Sudoku Tip |
Many people incorrectly spell Sudoku as
"Suduko" or "Sudoko".
The correct English spelling is Sudoku
- which means "single number" in
Japanese
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Killer Sudoku (also known as Samunamupure) is based on normal 9 X 9 Sudokus with the usual rules.
However, there is one additional rule - there are dotted regions (sometimes called "cages") superimposed
on the Sudoku grid, and the numbers in each region must add up to the
total to the smaller number marked in the top left of the region.
For example - if there is a dotted region that is two cells across and one down
and marked with a 6, you can deduce the cells must either contain a 5 and 1 (or vice-versa),
or a 4 and 2 (or vice-versa) - they cells can not contain a 3 and 3 because of
the Sudoku rule that you can't have the same number twice in the same row.
Killer Sudokus can be very tough to solve - and are an excellent new
challenge if you're board with solving classic Sudoku.
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By Sudoku Syndication
HarperCollins UK
Paperback (224 pages)
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Click Here | - ISBN13: 9780007326631
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Product Description:
Solvers looking for the extreme mental challenge will find 120 Deadly-level killer puzzles, including, for the first time ever, 20 Extra Deadly, that really test their limits: this is the only place they'll find such a torturous collection in a single book. The Times Ultimate Killer Su Doku is not for the faint of heart. The puzzles use the same 9 x 9 grid as Su Doku but have an added mathematical challenge. The aim is not only to complete every row, column, and cube so that it contains the digits 1–9, it is also necessary to ensure that the outlined cubes add up to the same number as well. But unlike with previous books, there is no chance for solvers to ease themselves in with Easy, or even Tough puzzles: this book is the ultimate Killer Su Doku—completely deadly. |
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By Collins Uk Staff
Harper Paperbacks
Released: 2006-01-24
Paperback (208 pages)
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Just when you thought it was safe to pick up a pencil Killer Su Doku is based on the original Su Doku grid, with the same rules and numbers—1 to 9—but with an added deadly twist. This time there is an element of arithmetic involved and there are few, if any, clues. The aim is to not only complete every row, column, and cube so that it contains the digits 1 to 9, but to also fill in the outlined cubes so they add up to the same number. Hints to solve the puzzle are hidden in the joined squares where only one combination of numbers applies. In the case of joined squares, if the printed number is 3, it should be 1 and 2 that go into the squares. Likewise, in the case of three joined squares, if the printed number is 6, the only combination possible is 1, 2, and 3. To add one final fiendish level, each puzzle also has a time worked out by its Japanese creators so you can try to beat the clock. |
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By Dj Ape
CreateSpace
Paperback (90 pages)
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3rd book in the series, with all NEW puzzles in the same format and same difficulties! Another sequel in the Killer Sudoku series of books from DJAPE. Brand new puzzles, with the same intensity and intricacy as the old ones. There are no trivial puzzles in this book - the accent is again on moderate and difficult puzzles. Contents: - 100 Killer Sudoku - 10 Killer Sudoku X - 10 Killer Sudoku with diagonal cages - 30 ZERO Killer Sudoku (blank cages) |
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By DJ Ape
CreateSpace
Paperback (94 pages)
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150 all new Killer Sudoku puzzles from DJAPE. This book contains puzzles of various difficulty with the accent on some challenging ones. Contents: - 100 Killer Sudoku - 10 Killer Sudoku X - 10 Killer Sudoku with diagonal cages - 30 ZERO Killer Sudoku (blank cages) |
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By Steve Arons
Plume
Paperback (208 pages)
 | List Price: $8.00*
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Click Here | - ISBN13: 9780452287952
- Notes: BUY WITH CONFIDENCE, Over one million books sold! 98% Positive feedback. Compare our books, prices and service to the competition. 100% Satisfaction Guaranteed
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By Dj Ape
CreateSpace
Paperback (90 pages)
 | List Price: $9.95*
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Same format, same difficulties, NEW puzzles! Another sequel in the Killer Sudoku series of books from DJAPE. Brand new puzzles, with the same intensity and intricacy as the old ones. There are no trivial puzzles in this book - the accent is again on moderate and difficult puzzles. Contents: - 100 Killer Sudoku - 10 Killer Sudoku X - 10 Killer Sudoku with diagonal cages - 30 ZERO Killer Sudoku (blank cages) |
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By Dj Ape
CreateSpace
Paperback (112 pages)
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A new and very special collection of Killer Sudoku puzzles by Djape, containing a variety of puzzles, including some types that have never been published before: Clueless, Zero Killer, Killer X, Odd/Even Zero Killer, Non-consecutive Killer, TwoDoku, Butterfly, Samurai... All in all, 101 puzzle that will surely kill your time! |
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By Dj Ape
CreateSpace
Paperback (90 pages)
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Volume 2 of the highly successful Killer Samurai book. This book contains 75 of the most challenging Sudoku variation puzzles - Killer Samurai, even including ZERO Killer Samurai. You get 25 easy, 25 medium and 25 hard puzzles. |
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By Djape
CreateSpace
Paperback (88 pages)
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Volume 3 of the highly successful Killer Samurai book. This book contains 75 of the most challenging Sudoku variation puzzles - Killer Samurai. First 70 puzzles are what you are already used to find in this series; the final 5, however, are a novelty: 5 Killer Samurai with all four operators (+,-,* and /). All in all, you get 25 easy, 25 medium and 25 hard puzzles. |
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By Dr Gareth Moore
CreateSpace
Paperback (72 pages)
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Sudoku no longer a challenge? Then add a Killer twist! Place 1 to 9 into each of the rows, columns and boxes, whilst obeying the dashed-line shape totals. It's as easy as 1 + 2 + 3. This book features 100 top-quality puzzles from Dr Gareth Moore, author of over 20 best selling international puzzle and brain-training titles from a wide range of publishers. |
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6: Killer Sudoku