# Sharpen The Brain by Playing Sudoku

Sudoku Puzzles are brain teasers which is also called a crossword puzzle without words. Sudoku Puzzles are often solved through lateral thinking and has made a huge impact around the world.

Also known as Number Place, Sudoku puzzles logic puzzles actually based placement. The goal of the game is to enter a numerical digit from 1 through 9 in each cell are found in 9 x 9 grid that sundivided to x 3 3 subgrids or regions. Some digits are often given in some cells. This is called nature. Ideally, at the end of the game, every row, column and region must contain only one instance of each number from 1 to 9. Patience and logic are two qualities that are needed in order to complete the game.

Numbers puzzle very similar to Sudoku Puzzle been there and have found many publications in newspapers for over a century now. For example, Le Siecle, a daily newspaper based in France, features, in early 1892, a 9x9 grid with 3x3 sub-box, but used only two digits instead of the current 1-9. Another French newspaper, La France, created the puzzle in 1895 that uses the numbers 1-9 but did not have a 3x3 sub-squares, but the solution does not carry 1-9 in every area where 3 3 x sub-box will be. These puzzles are regular features in other newspapers, including L'Echo de Paris for about a decade, but unfortunately disappeared with the advent of the first world war.

Howard Garns, an architect of 74 years retired and freelance puzzle constructor, is regarded as a designer of modern Sudoku puzzle. The design was first published in 1979 in New York by Dell, through puzzle magazine Dell Pencil and Word Games under the title Number Place. Creation Garns' most likely inspired by the discovery of Leonhard Euler's Latin square, with a few modifications, basically, with additional regional restrictions and presentation of the game as a puzzle, providing a partially-complete grid and requiring the solver to fill in empty cells.

Sudoku puzzle and then brought to Japan by a publishing company Nikoli puzzles. Nikoli introduced the game in the paper Monthly sometimes in April 1984. President of Nikoli Sudoku Maki Kaji gave him the name, a name that the company holds a trademark on; other Japanese publications featuring the puzzle to be satisfied with alternative names.

In 1989, Sudoku Puzzle enter the arena of video games when it was published as DigitHunt on the Commodore 64. It was introduced by the guidelines / Softdisk Publishing. Since then, other computer version of Sudoku puzzles have been developed. For example, Yoshimitsu Kanai create a computerized number generator puzzle game under the name of a single number for the Apple Macintosh in 1995 both in English and Japanese, for the Palm (PDA) in 1996, and for Mac OS X in 2005 .