Sudoku puzzles are brain teasers, also known as wordless crosswords. Often solved by lateral thinking, Sudoku puzzles have had a huge impact around the world.
Sudoku puzzles, also known as Number Places, are actually logic-based placement puzzles. The goal of the game is to enter a number from 1 to 9 in each cell on a 9x9 grid divided into 3x3 subgrids or regions. Some cells often contain multiple numbers. These are taken as given. Ideally, each row, column, and area can contain each of the columns from 1 to 9 only once by the end of the game. Patience and logic are two qualities needed to complete the game.
Number puzzles, very similar to Sudoku puzzles, have been around for over a century and have been published in many newspapers. For example, the French-based daily Le Siecle showed a 9x9 grid with 3x3 sub-squares as early as 1892, but instead of the current 1-9, it used only two-digit numbers. . Another French newspaper, La France, created a puzzle in 1895 that used numbers from 1 to 9 and did not have 3x3 sub-squares, but the solution was 1 to 1 in each area of 3x3 where sub-squares exist. Indicates 9. These puzzles were regularly featured in several other newspapers, including L'Écho de Paris, for about a decade, but sadly disappeared with the advent of First World War.
Howard Garns, a 74-year-old retired architect and freelance puzzle maker, was believed to be the designer of modern Sudoku puzzles. His design was first published in New York in 1979 by Dell under the heading "Number Place" in Dell Pencil Puzzles and Word Games magazine. The creation of Garns may have been inspired by Leonhard Euler's invention of the Latin square, but basically added regional constraints, the game was displayed as a puzzle, and a partially completed grid was provided. The solver is empty to fill the cell.
After that, Sudoku puzzles were brought to Japan by puzzle publisher Nikoli. It featured the game sometime in April 1984 in its monthly Nikoli newspaper. Nikoli's president, Maki Kaji, named Sudoku, the company's trademark owner. Other Japanese publications, including riddles, had to be done under different names.
Sudoku Puzzle entered the field of video games in 1989 when it was released as DigitHunt on the Commodore 64, introduced by Loadstar/Softdisk Publishing. Since then, other computerized versions of Sudoku puzzles have been developed. For example, in 1995, Yoshimitsu Kanai created several computer-based puzzle generators for games under the name "Single Number" for the Apple Macintosh in both English and Japanese. For Mac OS X in 2005.
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