| Walk along the streets of most major
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| | puzzles in the collection "Dell Pencil
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| cities worldwide and you'll be
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| | Puzzles and Word Games". But instead of
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| hard-pressed not to see at least a single
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| | labeling the puzzles as sudokus, Dell put
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| person bent over sudoku puzzles. The
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| | the puzzles under the heading, Number
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| puzzles are instant hits especially in
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| | Place. Though the puzzles have an
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| Britain and the United States. Usually
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| | audience, they are not as popular nor
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| misconstrued as a Japanese creation,
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| | widespread as today because of limited
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| sudoku puzzles actually trace their
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| | circulation. Recent investigation
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| origins from the Western world.
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| | identified the author to be Howard Garns,
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| Sudoku puzzles are commonly associated
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| | a retired architect. Though the puzzles
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| with Leonhard Euler, a Swiss mathematical
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| | did not bear his name, a puzzle history
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| genius of the 18th century. He is
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| | investigator noted that publications that
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| credited to be the inventor of the magic
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| | listed Garns's name as contributor always
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| squares, an atrocious 81-cell grid that
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| | had a sudoku inside; meanwhile, issues
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| can be filled with almost infinite
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| | without sudoku did not list Garns's name.
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| varieties so that every column and every
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| | The puzzle of the author's identity was
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| row contain the digits one to nine.
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| | finally solved.
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| Though the more popular and recent
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| | From the West, the development of sudokus
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| sudokus sport the same 1-9 rule and the
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| | shifted to the East when Nikoli first
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| 81-cell grid, the magic squares are not
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| | brought the puzzles to Japan in 1984. The
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| presented as puzzles. They are merely
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| | tag sudoku actually stands for the basic
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| expressions of Euler's mathematical
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| | puzzle rule: single digits only.
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| genius.
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| | Innovations were introduced to Garns's
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| In the late 19th century, the French
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| | invention such as 32-digit clue
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| daily, Le Siecle, came up with something
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| | restriction, and the rotational symmetry
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| almost like sudokus. But, rather than
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| | of the clues' positions. Sudoku puzzles
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| using the single digits 1-9, the puzzle
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| | received wide circulation in Japan with a
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| uses double-digit numbers to complete the
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| | number of dailies and magazines producing
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| puzzles. Following Le Siecle's footsteps,
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| | the puzzles. However, these puzzles were
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| another French daily, La France, came up
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| | under a different name since the sudoku
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| with its own puzzle version which uses
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| | monicker was trademarked by Nikoli.
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| the numbers 1-9. But despite the same
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| | After extensive rounds among the world's
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| rules, La France's puzzles did not divide
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| | leading dailies and magazines, the sudoku
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| the 81 cells into grids of nine boxes
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| | puzzles jumped onboard the computer ship.
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| each. Notably, much like the sudoku
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| | Programmers such as Loadstar Publishing
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| puzzles, the solutions to La France's
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| | published the first computer based sudoku
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| puzzles always had the numbers 1-9 in the
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| | game named DigiHunt. Soon, other
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| areas where the sub-grids were supposed
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| | programmers and devoted sudoku puzzle
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| to be. However, unlike the daily sudokus,
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| | enthusiasts developed other programs such
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| these puzzles were printed on a weekly
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| | as sudoku puzzle generators, sudoku
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| basis until the strat of World War I.
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| | solvers, and now, in the era of
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| Following the thread of its development,
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| | cyberspace, online sudoku games. Truly,
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| the present-day sudoku puzzles first
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| | nothing can stop sudoku puzzles when it
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| gained audience in 1979. They were
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| | comes to expanding its audience.
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| printed anonymously in Dell Magazines as
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